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US1188875A - Type-writing machine. - Google Patents

Type-writing machine. Download PDF

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Publication number
US1188875A
US1188875A US74160913A US1913741609A US1188875A US 1188875 A US1188875 A US 1188875A US 74160913 A US74160913 A US 74160913A US 1913741609 A US1913741609 A US 1913741609A US 1188875 A US1188875 A US 1188875A
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Prior art keywords
platen
spring
line
types
keys
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US74160913A
Inventor
J Frank Allard
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Underwood Typewriter Co
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Underwood Typewriter Co
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Priority to US74160913A priority Critical patent/US1188875A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B41PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41JTYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J3/00Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed
    • B41J3/01Typewriters or selective printing or marking mechanisms characterised by the purpose for which they are constructed for special character, e.g. for Chinese characters or barcodes

Definitions

  • Patented J 11116 27, 1916 discloses Patented J 11116 27, 1916.
  • This invention provides for the Worksheet to be moved vertically at the operation of the type-l(eys, so that the alphabet characters will beivrit'ten onthe work-sheet one below another, the top of each letter or alphabet character being adjacent to the bottom of the next letter or alphabet character,
  • the worksheet is placed upona revoluble cylindrical-platen, which extends in a direction at right angles to the line of writing; and at the successii-"c type he strokes, the platen is caused-t0 rotate to ad for alphabets not provided ,withso that showing a part ofthetrainlof gearsiwhi controls the rotation of the platen, and a showing a release key for said carriage.
  • arhandle is drawn down 7 for the purpose of rotating the-platen-ba-ek I to initial position for beginning. anew line of writing and at the same time, the platenrotating spring is re-wound.
  • the platen is preferablymounted iipona left toright to make. the spaces between carriage which is moved; step bys t p from the'lines; and this line-feeding mechanism is preferably-operated by the .sa- 'ne halndle which rotates the platen backwardly to'begin anew line of writing, so that immediately-.'
  • the writing-oi jthesucceeding line may be'begum Ais'epa rate key is also provided for line-spaeiilg the platen whenever desired.
  • the platen dri ing spring is placed upon the mainframework ofthe ma: chine, andconnected by a train of gearingto the platen; said train inoludingmeans;
  • Figure is a side elevation of the platencarria 2 is a front view of a spring-barrel which rotates the platen and an escapeinent wheel which is fast to said barrel;. this figure also. showing the type keyecontrolled -dogs which embodying the present improvements.
  • Fig. I 4 is a detail sectional elcvationof devices for automaticall line-feeding the carriage during the backward revolution of the platen to begin a newline of writing.
  • Fig. 5 is a rear perspective view of a train of gearing which controls the letter-feeding rotat-ion of. the platen.
  • Fig. 6 is a side elevation of some of the members seen in Figs. .4 and 5.
  • Fig, 7 is a perspective view of the line-feeding dogs,' showing particularly a [cutaway 83 in the ribbon-controllinguni-' .ve'rsarl bar. frame which isoperatedby the type-keys, and which by reason of said outrear part of the machine.
  • FIG. 8 is a plan of the typeoperating keys and levers, and some ofthe' gears w'hich'control the operation of the platen.
  • Fig. 9 is a rear elevation of the modified for the purposes of the invention.
  • Alphabet keys 1 are mounted upon levers 2, fulcrumed at 3 and having returning springs 4; the levers having in-andsslot connections at 5 with bell cm s 6, which have pin-and-slot connections at 7 with type bars-8,- carrying alphabet types 9 to swing upwardly and rearwardly to strike upon the frontside of arevoluble platen 10; the type bars being mounted upon a' curved fulcrum rod 11:
  • the types '9 are intended for writinga foreign language, and correspond with foreign alphabet characters or letters on keys 1, which areillu'strated diagrammatically at: Fig. 8. Theplaten is not made to shift up and down, the machine being intended for-use in writing foreign-languages which donot have sets of both capital let- 'ters and lower-case letters; but the invention is not limited to the, use of a single case of types.
  • rocker-31 being confined between ears 33, 34 fixed upon theframe work and seiving as bearings .for the rock shaft 32.
  • This shaft is elongated and at its ends is journaled in bearings 35, 36; and it has at its ends a forwardly extendingpair of arms 37, which are connected at their forward ends by a rod 38,, which forms a second universalba'r, and is pressed by a' spring- 39 up against the under sides of the key levers 2.
  • the spring 39 Uponthe release of the key from pressure 0 after the type impression is made, the spring 39 returns the universal bar 38 and the dogs 29, 30permitting the escapement wheel 28 to advance one step and the spring 26 to rotate or drive the platen a corre- 5 sponding distance.
  • the train of gearing between t. spring I barrel 27 and the platen may comprise a bevel gear 41' fixed onthe spring barrel,
  • This barrel pinion 48 may engage either of two pinions 51,52, both of which are fast 12o upon a horizontal shaft 53 extending from end to end ofthe platen frame or carriage 54.
  • the pinions 51, 52 are connected to pinions 57 ,58, fixed upon the axle 59 of the platen 10, and forming part of the gear train leading from the spring.
  • barrel 27 The platen frame orcarriage 54' is mounted to move endwise for linespacing; and x' 'hen either pinion 51 or 52 moves out of mesh aspring 26" ('Fig'.
  • The-handle or arm 63 is con nected tothe spring barrel 27 by means of a sector166, extending rearwardly from the pivot 64, and meshing with a bevel pinion G7, to which is fixed a pinion 68, meshing with a gear 69 on the spring barrel 27.
  • a non-printing word-spacing key or bar 70* may be arranged across the machine in front of the keyboard, and its levers or supports 7O may extend back parallel with the type-key levers,.and actuate the umversal'bar 38 at every depression of key 70*; and these levers 70 may, if desired, be curved at 7 0 'to clear the bell cranks 6.
  • a key 71 may be pressed back for line-feeding the carriage 54, which slides upon horizontal rails 72, 73 in the same manner as the paper carriage of said Underwood typewriting machine.
  • This key 71 permits the carriage to be drawn along by a spring barrel 74 (Fig. 9), which is connected by a strap 7 5 to a pm 76 on the carriage; said strap passing over a pulley 77 and forming a return loop, so that the spring barrel 74 draws the carriage from right to left, as seen at Fig. 9.
  • ⁇ VllK'll lS a rear view. V'ewed from the froat of the mach ne, the carriage is drawn from left to right at the line-spacing opendimi.
  • a rack 78 is connected to the carriage to mesh with a pinion 79, to which is connected an escapement wheel 80, which is controlled by dogs 81, 82, which may be constructed and operated in a manner to resemble the letter-feeding dogs of said Underwood tyilewritin-g .machine, with the exception that they are not operated by the letterfeeding mechanism of the present machine; the universal bar frame 15 being cut-away as at 83' (Fig. 7) to avoid striking these dogs 81,82. p At the completion of a page of writing, the carriagemay be pressed back to the left,
  • escapement wheel being connected to the pinion 79 by means of pawls 84 (as usual in the letter-feeding mechanism of said Underwood machine) to permit right to left movement of the carriage while the escapement wheel 80'remains stationary.
  • the carriage may be released to be set to different line positions, by depressing a release key 85.0n the carriage, which is connected' to a bail 86 pivoted at; 87 on the carriage and having thereon the line-feeding rack 78, which by depression of the key is lifted from the pinion 79.
  • Said linefeeding key 71 may be mounted on the forward end of a stem 88, to press rearwardly a lever 89, the latterpivoted at 90 upon the framework, and at its lower end connected to a link 91, whichextends rearwardly to an arm 92 pendent from a horizontal rock shaft 93.
  • said rock shaft carries an-upstanding arm 94, which, when the key 71 is pressed back, engagesthe feeding pawl or dog 82 to press the latter and the pawl or dog 81 rearwardly; and upon release of said key 71, a spring 95 returns the same,
  • the key 71 may be operated to perform its line-feeding function wholly independently of the said dog 99 or of the arm 63; the latter, of course, remaining in itsdepressed position until the types are again operated andthe .platen rotated for letter-feeding; said arm 63 gradually rising during the writing of the next vertical line on the work sheet.
  • the dog engages and idly rotates the pawl 100 about the pivot 101; and after the dog passes the pawl, the latter is snapped back to normal position by its spring 102.
  • Certain of the type keys are silent, that is, they are capable of printing but incapable of causing the work-sheet to be character or letter-spaced, these keys being used for accenting or for building up alphabet characters, or for other purposes.
  • the lever of each such silent key 7 is arched upwardly at 70, Fig. 3, to clear the second universal bar 38, so that said key lever cannot operate the alphabet character or letter-feeding dogs 29, 30.
  • Its type bar is provided with the usual heel 13 to operate the first universal bar 14 which controls the ribbon-vibrating mechanism, so that the ribbon is thrown up to cover the printing point although the paper is not fed.
  • a typewriting machine constructed to write a language in which the written lines extendvertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, and means controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in normal reading position in the written line.
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner'into the machine, a set of alphabet types constructed to make upright Imprints upon said sheet, a system of alphabet keys for operating said types, a spring connected to rotate said platen forwardly, an escapement connected with said spring and controlled by said keys for causing a stepby-step,.rotary letter-spacing movement of said platen by said spring upon the actuation of said keys, whereby the successive impri-nts made by the types are disposed one .below another in proper position in the written line, and.
  • a system of alphabet keys for operating said types, a spring forrotating said platen forwardly, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen upon the actuation of said keys, whereby the successiveimprints made by the types are disposed one below another in proper position in the written line, a carriage whereon said platen is mounted to move the same endwise for line-spacing, and means for controlling the line-spacing movement-of said carriage.
  • a typewriting machine constructed to write a language in whichthe written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordi nary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alpha bet keys for operating said types, a spring for rotating said platen forwardly, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a carriage for moving sald platen endwise for line-spacing, and means eluding a platen:
  • A- typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontallyarranged, revoluhle platen adapted to take in and hold a work-sheet introduced'head first in the ordmarymanner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a carriage for moving said plate.
  • a typewriting machine constructed to write a language in which the writtenlines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a'set of al dont types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a.
  • said feeding mechanism including a platen-driving spring, a member mounted upon the frame of the machine and connected with said spring to be driven thereby, and members cooperative with the firstnamed member mounted upon the carriage to travel with the same and extending to the platen to control the rotation thereof, said carriage members being maintained mnnected with said frame member during moveonmt at the rmriage.
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page
  • a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinar manner into the machine, a set of alpha et types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a travcling carriage whereon said platen is mounted, a platen-driving spring, a train of gearing extending from said spring to said platen, an eseapement connected with said and controlled by said system of alpha et keys for causing a step-by-step, ro-
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriagewhereon said platen is mounted, a plateh-driving spring, a train of gearing extending from said spring to said platen, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letter-spacing movement of said platen in a forward direction by said spring upon the actuation of said keys, whereby the successive sive imprints made by the types are disposed one below another in proper position in the written line, and means for moving said carriage and platen endwise, to line-space .trolled thereby, Lin a direction capement mechanism the latter; said train of gearing including aeou
  • a machine of the class described comprising a set of keys, a set of' types cona revoluble 1 aten extending perpendicular to the line of writing, a carriage for said platen to move the'latter endwise; a spring upon the frame Work of the machine, a key-controlled esconnected to said spring, and a train of gearing extending from the spring to the platen to turn the latter, said train including both an elongated barrel pinion mounted upon the framework v0f the machine, and also two branch-trains of gears mounted on the carriage at the ends of -the platen and extending to theplaten, and
  • a machine of the class described comprising a set of keys, a set of types controlled thereby, a'revoluble platen extending in a directionperpendicular to the line of Writing, a carriage for said platen to move thelat'ter endwise, a spring upon the frame- Work of the machine, a key-controlled es- .capement mechanism connected to said spring, and a train of gearing extending from the spring to the platen to turn the lat- 'ter, said train including both an elongated barrel pinion mounted upon the framework of the machine, and also two branch-trains of gears mounted on the carriage at the ends of the platen and extending to the platen, and each including a gear to mesh with said barrel pinion, the length of said barrel pinion being such that either one or the other of said gears may run out of engagement with said barrel pinion while the other gear remains in engagement therewith.
  • a typewriting machine constructed to Write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in, the ordinary mannerinto the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is mounted, a
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-armnged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is mounted, a platen-driving spring, a train of gearing extending from said spring to said platen, an escapem ent connected with said spring and controlled by said system of alphabet keys for causing a step-bystep, rotary letterspacing movement of said platen by said spring upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in extend vertically side by side down the page, I
  • a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alp abet keys for operating said types, a
  • said platen is traveltieng mounfeeding mechanism including a platen-driving spring connecting said sysmovement to sand platen in a forward direction upon theactuation of said keys,
  • a typewri write a language in which the written lines extend, vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced 'ihead first, in the ordinary, manner into the, machine, a set of alphabet types constructed to' make upright imprints upon said sheet, a system of alphabet keys for operating said types,- a traveling carriage whereon .said"'platen is 'mounted, feeding mechanism' including a platen-driving spring connecting said system of-a1phabet keys and said platen .for imparting a --step-by-step, rotary letterspacing movement to said platen in a forward direction upon the actuation of said keys .whereby the successiveimprintsmade by the types are disposed one below another in proper position in'the written-line, a spring connected 'wth said carriage for moving the same and he platen endwise, to line-space the latter, a 1 escapement for controlling such moveme at,
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take "in and hold a work-sheet introduced head first in the ordinary mannerinto the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for' operating said types, a traveling carriage whereon said platen is mounted, fmading mechanism including a platendriving spring connecting said system of alphabet keys and said platen for imparting a s pa rotary, letter-spacing movement to sald platen in a forward direction 11 pen the actuation of said keys, whereby the sucdssive im rints made by the types are disposed one.
  • a manually-operable device for directly and positively rotating ting machine constructed to a low another in proper posisaid platen backwardly to begin a new line of writing and to wind up said spring and means controlled by said manually-operable device for efl'ecting an endwise movement of luble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is mounted,
  • feeding mechanism including a platen-driving spring connecting said system of alphabet keys and said platen for imparting a disposed one below another in proper positionin the written line, and manually-controlled means for directly and positively rotating said platen backwardly, to begin a new line of writing and to wind up said spring.
  • a typewriting machine constructed to write a language in which the written lines extend vertically sideby side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first inthe ordinary manner-into the, machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a
  • a typewriter machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revolubleplaten adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types,
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is'mounted,
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by sided wn the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the .ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating 'said types, a traveling carriage whereon said platen is mounted, feeding mechanism connecting said system of alphabet keys and said platen for im parting a step-by-step, rotary, letter-spacing movement to said laten upon the actuation of said keys, wherebv the successive imprints made by the types are disposed one below another in proper position in the written line, a spring connected with said carriage for moving the same and said platen endproper position in the written nary manner into to rotate said platen backwardly, to
  • a typewriting-machine constructed to Write'a language in which the written lines extend'vertically side by side down the page, comprising ahorizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordithe machine, a set of alphabet types constructed to makeupright imprints upon said sheet, a bet keys for operating said types, a traveling carriage whereon said platen is mounted, feeding mechanism,connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-spacing movement to said )laten upon the actuation of said keys, wherebv the successive imprints made by the types are disposed one below another in proper'position in the written a spring connected with said carriage for moving the same and said platen endwise, to line-space the latter, an escapement for controlling said spring, a manually-operable device for rotating said platen back wardly, to begin a new line of writing, means connected to said manually-operable device for operating said escapement
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a 1 5 bet keys for operating said types, a traveling 1 0 carriage ,whereon said platen is mounted, feeding mechanism connecting said system of alphabet keys and said platen for imparting a stepby-step, rotary, letter-spacing movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, means connected vs'h said carriage for moving the same and said platen from left to right, to line-space said platen, an escapement for controlling the movement of said carriage in such direction, and a manuallyoperable device for rotating said platen backwardly, said manuallyperable device being connected to operate said escapement.
  • a typew'riting machine constructed to write a language in which the written lihes to begin a new line of writing, 25
  • a typewriting machine constructed to write. a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make-upright, imprints upon said sheet, a system of alpha bet keys for operating saidtypes, a linespacing carriage whereon said platen is mounted, a platen-driving spring, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary, letterspacing movement of said platen in a forward direction by said spring upon the actuation ofsaid keys, whereby the successive imprints made by the types are disposed ⁇ one below another in proper position in the written line, nected to impart a rotary, word-spacing movement in a forward direction to said platen, and a key connected to control the line-spacing movement of said carriage while the platen is held
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a linespacing carriage whereon said platen is a non-printing key conmounted, a platen-driving spring, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary, letter; spacing movement of said platen in a foxward direction by said spring upon the actuation of said keys, whereby the successivestep movement of the carriage while the platen is held in any rotative position under the control of said escapement.
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted totake in and hold a work-sheet introduced head first in the ordinary manner into the machine, a'set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, feeding mechanism connecting said system of alphabet keys'andsaid platen for imparting a stcp by-step, rotary, letter-spacing move ment to said platen upon the.
  • a typewriting mac ine constructed to write, alanguage 'in Wl'li-"ii the written lines exten'd vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary mannerinto the machine, a set of: alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-spacing movement to said platen upon the actuation ofsaid keys, whereby the successive imprints made by the types are disposed one below another in proper position in thewritten line, a manually-controlled device for rotating the platen backwardly, to begin a new line of writing, means connected to said manually-controlled device for line-spacing the platen, saidJine-spacing means including a trip which automatically disconnects said manually-controlled device when it has line-spaced the platen
  • a typewriting machine constructed to write a language in which the extend vertically side byside down thepage, comprising a horizontall -arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon.
  • a system of alphabet keys for operating said types, a feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-feeding movement to said-platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a traveling carriage whereon said platen is mounted, a spring for driving said carriage, line-spacing mechanism for controlling the movement of the carriage by said spring, a 'manually-controlled device for rotating said platen backwardly to begin a newline of writing, means for enabling said manually-controlled device' first to operate and then to release said line spacing mechanism, said line-spacing mechanism independently of said manually-controlled device.
  • a typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-ari'anged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a feeding mechanism connectin said system of alpha- .bet keys and said p aten for imparting a step-by-step, rotary, letter-feeding movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a traveling carriage wherein said platen is mounted, a spring for driving said carriage, line-spacing mechanism for controlling the movement of the carriage by said spring, and a manually-controlled device for rotating, said platen backwardly to begin a new line of writing, said line-spacing mechanism including an arm having a trip, and said
  • 3T.w The combination of a revoluble platen, eharaeter-feeding mechanism to control the rotation thereof. a manuallyeontrolled device for rotating the platen backwardlyto begin a new line of writing. means connected to said manually-controlled device for line spacing the platen. and a key for operating said line-spacing means independently of said manually controlled device.
  • a typewriting machine constructed to Write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a Work-sheet introduced head first-in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet. a system of alphabet kevs for operating said types.
  • a feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-feeding movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, means for concomitantly rotating the platen backwardly, to begin a new linev of writing, and moving it endwise for linespacing, and a key for moving said platen endwise for linespacing independently of said backwardlyrotating means.
  • a typewriting machine comprising a revoluble platen. a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving sprin a train of gearing leading from said spring to said platen for rotating the latter, an escapement for controlling the driving of said gearing by said spring, to letter-space the platen,
  • gearing associated with the first-named gearing to reverse the direction of movement thereof, for rotating the platen backwardly, to begin a new line of writing, and for rewinding said spring, and a manuallyoperable device for driving the secondnamed gearing.
  • a typewriting machine comprising a revoluble platen, a line-spacing carriage whereon the same is mounted, a set of alphabet types, a systein'of alphabet keys for operating said types, a platen-driving spring, a train of gearing leading from said spring to said platen for rotating the latter, an escapement controlled by said system of alphabet keys for controlling the driving of said gearing by said spring, to letterspace the platen at each keystroke, gearing associated with the first-named gearing to reverse the direction of movement thereof, for rotating the platen backwardly to begin a new line of writing, line-spacing mechanism for controlling the movements of said carriage, and means for concomitantly driving the second-named gearing and actuating said line-spacing mechanism.
  • a typewriting machine comprising a revoluble platen, a line-spacing carriage whereon the same is mounted, a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving spring, a train of gearing leading from said spring to said platen for rotating the lat ter, an escapement controlled by said system of alphabet keys for controlling the driving of said gearing by said spring, to letter-space the platen at each key-stroke, gearing associated with the first-named gearing to reverse the direction of movement thereof, for rotating the platen backwardly to begin a new line of writing, linespacing mechanism for controlling the movements of said carriage, and a manually-operable device for driving the second-named gearing, said device having means connected to it for actuating said line-spacing mechanism.
  • a typewi-iting machine comprising a. revoluble platen, a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving spring, a rotatable barrel wherein said spring is d1sposed,- a.
  • a typewriting machine comprising a revoluble platen, a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving spring, a rotatable barrel wherein said spring is disposed, a pair of gears fixed to said barrel, a vertical shaft, a pair barrel gears, gearing connecting the other shaft gear with said platen to rot :e the latter, an escapement connected with said barrel for eflecting the rotary, letter-spacing movement of said platen by said spring, and manually-operable gearing associated ,with the other barrel gear to reverse thedirection of rotation of said barrel and its gear connectionswith said platen, for rotating said platen backwardly to begin a new llne of necting said system of alphabet keys and said platen for impartinga step-by-step, rotary, letter-feeding movement to sold platen 'upon the actuation of said keys, a carriage-driving spring, an escapement for controlling the drive of said carriage by said spring,
  • ' 47.jA typewriting machine comprising a revoluble platen, a set of alphabet types, a
  • a carriage-driving spring for controlling the drive of said carriage by said spring, a member for operating said escapement, a trip connected to said member, a rockshaft, a dog mounted on said shaft, and a handle connected to'operate said shaft, said dog being arranged, during one stroke of said handle, to initially engage said trip and actuate said member and to subsequently release the trip, and to pass freely by said trip during the return stroke of said handle.
  • A. typewriting machine comprising a revoluble platen, system of alphabet keys for operating said types, -a traveling carriage whereon said platen is mounted, feeding mechanism con necting said system of alphabet keys and said platen for imparting a step-by-step', rotary, letter-feeding movement to said platen upon the actuation of said keys, a carriage driving spring,- an escapement for controlling the drive of said carriage by said spring, a member for operating said escapement, a trip connected to said member, a rock shaft, a dog mounted on said shaft, a handle connected to operate said shaft, said dog being said handle, to initially engage said trip and actuate said member and to subse.
  • a typewriting machine the zombination of a set of alphabet types constructed to make upright imprints upon a worksheet, a system of alphabet keys for oper-' ating said types, a horizontal, revoluble platen, a carriage whereon the platen is mounted a motor for rotating the platen, an escapement controlling the rotation of said platen bv said motor, and a driving train leading from said motor to said platen, said train including an elongated barrel-pinion mounted upon the framework of the machine, and two branclr trains of gears mounted on the carriage at the ends of the platen and extending to the latter, each of said branch trains including a gear to meshwith said barrel-pinion.
  • a typewriting machine the combination of a set of alphabet types constructed to make upright imprints upon a worksheet, a system of alphabet keys for operating said types, a horizontal, revoluble platen, a carriage whereon the platen is mounted, a motor for rotating the platen, an
  • escapement controlling the rotation of said a set of alphabet types, a-
  • a lever connected to the arranged, during one stroke of I said branch trains including a gear to mesh.

Landscapes

  • Handling Of Sheets (AREA)

Description

7'" N iii 1 F. ALLARD. TYPE WRITING MACHINE. APPLICATION FILED um. 13, I913.
Patented June 27, 1916.
4 SHEETS-SHEET 1.
e g 9g .I F. ALLARD.
TYPE WRITING MACHINE.
APPLICATION mm JAN. 13. 1913.
Patented June 27, 1916.
SHEETS-SHEET 2.
J F. ALLARD.
TYPE WRITING MACHINE.
APPLICATION man um. 13. m3.
1,188,875. Patented Juli 27, 1916.
4 SHEETSSHEET 3- I F. ALLARD.
TYPE WRITING MACHINE.
APPLICATION men IAN. 13. 1913.
Patented J 11116 27, 1916.
4 SHEETS-SHEET 4.
TED STATE PATENT orFIoE.-
JFRANK ALLARD, or BROOKLYN, NEW YORK, ASSIGNOR T UNDERWoop T rEWRirER COMPANY, or NEW YORK, N. Y., A CORPORATION or DELAWARE.
TYPEJJBITING MACHINE.
' To all whom it may concern citizen of; the United States, residing in Brooklyn, in the county of Kings and State of New York haveinvented certain new .and useful Improvements in Type-Writing Machines, of which the following is a speci- 'ficatiom' 3 English-language.
- or'more characters, which has recently been devisedjfor this purpose bycertain aut'horir' ties. [The lettersfor characters forming this alphabet are not herein 'illustrated,because the machine -is also 'adaptedfor writing other 'languagesthan Ghinese-f The machine Provision is also made for moving is illustrated; as'adapted for writing a single case, both capitals and small 1e'tters;:no case shiftin'g' meclianis'mbeinglshown.' f
It is customary in writing ordinary Chinese characters to place'themone' below another, beginning at the top of the. page, the line of writing reads down the page; and this plan will be continued in connection with the new Chinese alphabet referred to.
This invention provides for the Worksheet to be moved vertically at the operation of the type-l(eys, so that the alphabet characters will beivrit'ten onthe work-sheet one below another, the top of each letter or alphabet character being adjacent to the bottom of the next letter or alphabet character,
in contradistinction to theiisual' method of writing letters side by side as in English. the 'work sheet laterally for making spaces between the vertical lines of writing. According to the Chinese custom, the writing begins at the right-hand inarginof the \vork-she'gt and proceeds line-byline toward the left hand margin. 7 v
In carrying out the invention in its present form,.the worksheet is placed upona revoluble cylindrical-platen, which extends in a direction at right angles to the line of writing; and at the successii-"c type he strokes, the platen is caused-t0 rotate to ad for alphabets not provided ,withso that showing a part ofthetrainlof gearsiwhi controls the rotation of the platen, and a showing a release key for said carriage. Fig-j Specification of Letters Patent. 1 t t d n 1 Applicationfiled. January 13, 1913i Serial'No. 741,609."
'vancethe sheet so that theoperation of 'the keys causes the line of print to proceed from the top to the-bottom of the sheet. 1"]? Preferably a. spring jisjemployed to r0 tate the platen-for this purpose, and -an es" I ca pement or letter-feeding meehani'sin Loon-'- trols the rotation otth'e plateneifected means of said spring. 1- Upon the conclusion of a line of writing, arhandle is drawn down 7 for the purpose of rotating the-platen-ba-ek I to initial position for beginning. anew line of writing and at the same time, the platenrotating spring is re-wound.
The platen is preferablymounted iipona left toright to make. the spaces between carriage which is moved; step bys t p from the'lines; and this line-feeding mechanism is preferably-operated by the .sa- 'ne halndle which rotates the platen backwardly to'begin anew line of writing, so that immediately-.'
after said handle is operated,- the writing-oi jthesucceeding line may be'begum Ais'epa rate key is also provided for line-spaeiilg the platen whenever desired.-
, Preferably" the platen dri ing spring is placed upon the mainframework ofthe ma: chine, andconnected by a train of gearingto the platen; said train inoludingmeans;
which ermitsthe line-spacingmovementof the platen carriage without disconnecting the platen from its driving springgo'rfrom its escapement mechanism.
Other features" and advantages inafter appear.
In the accompanying drawing s, Figure is a side elevation of the platencarria 2 is a front view of a spring-barrel which rotates the platen and an escapeinent wheel which is fast to said barrel;. this figure also. showing the type keyecontrolled -dogs which embodying the present improvements. Fig. I 4 is a detail sectional elcvationof devices for automaticall line-feeding the carriage during the backward revolution of the platen to begin a newline of writing. Fig. 5 is a rear perspective view of a train of gearing which controls the letter-feeding rotat-ion of. the platen. Fig. 6 is a side elevation of some of the members seen in Figs. .4 and 5. Fig, 7 is a perspective view of the line-feeding dogs,' showing particularly a [cutaway 83 in the ribbon-controllinguni-' .ve'rsarl bar. frame which isoperatedby the type-keys, and which by reason of said outrear part of the machine.
The drawings show anUnderwood frontstrike typewriter', which is used for con-- .venience in illustrating the. invention; said typewriter being however substantially away is prevented from operating said linefeeding dog's. Fig. 8 is a plan of the typeoperating keys and levers, and some ofthe' gears w'hich'control the operation of the platen.
Fig. 9 is a rear elevation of the modified for the purposes of the invention.
Alphabet keys 1 are mounted upon levers 2, fulcrumed at 3 and having returning springs 4; the levers having in-andsslot connections at 5 with bell cm s 6, which have pin-and-slot connections at 7 with type bars-8,- carrying alphabet types 9 to swing upwardly and rearwardly to strike upon the frontside of arevoluble platen 10; the type bars being mounted upon a' curved fulcrum rod 11: The types '9 are intended for writinga foreign language, and correspond with foreign alphabet characters or letters on keys 1, which areillu'strated diagrammatically at: Fig. 8. Theplaten is not made to shift up and down, the machine being intended for-use in writing foreign-languages which donot have sets of both capital let- 'ters and lower-case letters; but the invention is not limited to the, use of a single case of types.
The types strike through a ribbon 12, h
which is normally below the printingv point, but which is lifted up at every type stroke to cover the printing point; there being' for this purpose heels'13 provlded on the type bars to engage a segmental universal bar 14, which forms'part of a frame 15, that is moun'tedto' be driven rearwardly by theheels 13 on the type bars 8; said universal bar at its rear end having arms 16 pivoted to the upper ends of upstanding arms 17, which are fast to'a rock shaft 18;
-- the front of the universal bar frame 15 being supported in the usual manner, and
. a spring 19 returning the universal; bar
frame 15 after actuation. Upon this universalbar frame 15 is fixed a slotted actuator 20 to engage a pin 21 upon the ribbon vibrating lever 22, which is pivoted at 23 upon the machine frame; said lever 22 carryi'ng at its forward end an upright slide 24 to' which is threaded the ribbon 12; for as the universal bar is driven back the slide or vibrator 24 is thrown up' together with the ribbon, and hence the types make inked impressions .upon the Work sheet 25 which is carried around the platen 10.
As each character is printed, the paper is fed up, the platen 10 being revolved step-- by-step for-this purpose. This rotary letter or character spacing movement of the I which extends a rock Shaft 32- fast thereto; 0 4
the rocker-31 being confined between ears 33, 34 fixed upon theframe work and seiving as bearings .for the rock shaft 32. This shaft is elongated and at its ends is journaled in bearings 35, 36; and it has at its ends a forwardly extendingpair of arms 37, which are connected at their forward ends by a rod 38,, which forms a second universalba'r, and is pressed by a' spring- 39 up against the under sides of the key levers 2. g I
l/Vhenever any key is depressed to operate its type, the universal bar 38 is depressed, and the dogs 29, 3Q are vibrated-forwardly;
the escapement wheel 28' not beingl'et off 9 at. this time, but the limber dog 29 being drawn to the right at Fig.9 by means of a spring 40, so as to be in position to engage the next tooth of the escapement Wheel 28.
Uponthe release of the key from pressure 0 after the type impression is made, the spring 39 returns the universal bar 38 and the dogs 29, 30permitting the escapement wheel 28 to advance one step and the spring 26 to rotate or drive the platen a corre- 5 sponding distance. I
The train of gearing between t. spring I barrel 27 and the platen may comprise a bevel gear 41' fixed onthe spring barrel,
a bevel pinion '42 in mesh therewith .and 11a.
mountedupon avertical shaft 43, a-bevel pinion 44 on the upper end of said shaft,- a bevel pinion 45 fixed on a horizontal shaft 46 which is journaled in the machine frame,l
and a gear 47 fixed upon shaft 46 and meshing with-a long barrel pinion 48 which is journaled by means of gudgeons 50 upon brackets 49 fixed upon the machine frame.
This barrel pinion 48 may engage either of two pinions 51,52, both of which are fast 12o upon a horizontal shaft 53 extending from end to end ofthe platen frame or carriage 54. By means of intermediate pinions 55, 56, the pinions 51, 52 are connected to pinions 57 ,58, fixed upon the axle 59 of the platen 10, and forming part of the gear train leading from the spring. barrel 27. The platen frame orcarriage 54' is mounted to move endwise for linespacing; and x' 'hen either pinion 51 or 52 moves out of mesh aspring 26" ('Fig'.
with thei barrel pinion 48, the other pinion always remains in mesh with pinion 48, so that'a positive connection is maintained be- "tween the platen and the spring barrel 27 and its escapement devices, and hence the writing, the operator grasps a'handle 63',
pivoted at 64 on the right-hand side of the machine frame, and throws the same downwardly from the dotted-line-position at Fig. 3 to the full-lineposition at Fig. 5, thereby both rewinding the spring 26 and revolving the platen 10 backwardly to initial position;
the limber dog 29 beingswiveled at x 65 (Fig. 2) in a] manner common in type- 7 writing machine s,- to permit the backward revolution of the letter-feeding escapement wheel 28. The-handle or arm 63 is con nected tothe spring barrel 27 by means of a sector166, extending rearwardly from the pivot 64, and meshing with a bevel pinion G7, to which is fixed a pinion 68, meshing with a gear 69 on the spring barrel 27.
It will be seen that the. foregoing alphabet character or letter-feeding mechanism is effective to rotate the platen at every key stroke, regardless of the position of the platen carriage,.so that the writing of vertical lines on the work-sheet may proceed until the: same is filled.
A non-printing word-spacing key or bar 70*,inay be arranged across the machine in front of the keyboard, and its levers or supports 7O may extend back parallel with the type-key levers,.and actuate the umversal'bar 38 at every depression of key 70*; and these levers 70 may, if desired, be curved at 7 0 'to clear the bell cranks 6.
After the completion of any vertical line of writing, a key 71 may be pressed back for line-feeding the carriage 54, which slides upon horizontal rails 72, 73 in the same manner as the paper carriage of said Underwood typewriting machine. This key 71 permits the carriage to be drawn along by a spring barrel 74 (Fig. 9), which is connected by a strap 7 5 to a pm 76 on the carriage; said strap passing over a pulley 77 and forming a return loop, so that the spring barrel 74 draws the carriage from right to left, as seen at Fig. 9. \VllK'll lS a rear view. V'ewed from the froat of the mach ne, the carriage is drawn from left to right at the line-spacing opendimi. This is useful for languages like Chinese and others, where the first vertical line of writing is made at the right-ham? side of the work-sheet or page, and in which "the second line of vertical writing is placed at the left of the first 'line of writing, and so on until the page is filled. 1
A rack 78 is connected to the carriage to mesh with a pinion 79, to which is connected an escapement wheel 80, which is controlled by dogs 81, 82, which may be constructed and operated in a manner to resemble the letter-feeding dogs of said Underwood tyilewritin-g .machine, with the exception that they are not operated by the letterfeeding mechanism of the present machine; the universal bar frame 15 being cut-away as at 83' (Fig. 7) to avoid striking these dogs 81,82. p At the completion of a page of writing, the carriagemay be pressed back to the left,
th'us rewindin'g the spring barrel 74; the
escapement wheel being connected to the pinion 79 by means of pawls 84 (as usual in the letter-feeding mechanism of said Underwood machine) to permit right to left movement of the carriage while the escapement wheel 80'remains stationary.
, The carriage may be released to be set to different line positions, by depressing a release key 85.0n the carriage, which is connected' to a bail 86 pivoted at; 87 on the carriage and having thereon the line-feeding rack 78, which by depression of the key is lifted from the pinion 79. Said linefeeding key 71 may be mounted on the forward end of a stem 88, to press rearwardly a lever 89, the latterpivoted at 90 upon the framework, and at its lower end connected to a link 91, whichextends rearwardly to an arm 92 pendent from a horizontal rock shaft 93. At its inner end said rock shaft carries an-upstanding arm 94, which, when the key 71 is pressed back, engagesthe feeding pawl or dog 82 to press the latter and the pawl or dog 81 rearwardly; and upon release of said key 71, a spring 95 returns the same,
and a spring 96 returns the dogs 81 and 82 I to normal position, thus permitting the escapenient wheel 80'to feed one step, together with the platen carriage 54. and thus effect a line-feeding movement of the work sheet 25. By manipulating said key 71, the open ator may make as many spaces as desired between the vertical lines of writing; or the carriage-release key may be used for the same purpose. Also depending from the rock shaft 93 is an arm 97, seen best at Fig. 4, which is provided for enabling the platenrotating arm or handle (33 to effect automatically a line-feeding movement of the platen carriage. Said arm 03, for this purpose. is fast upon a horizontal rock shaft 98, which at its inner and carries an arm or dog 99, to engage a pawl or trip 100, which is pivoted at 101 upon the lower end of said arm 97, and is normally held by a s .)ri-n g 102 against a stop 103 on said arm 97; the pawl having a shoulder 104 to engage said gages and drives the pawl 100 and the arm 97 bodily forward; these parts turning about the shaft 93 as if they were made in v one piece, and causing the arm 94 on said shaft to swing rearwardly to operate the line-feeding dogs 81, 82.
Preferably, before the conclusion of the 'down or driving stroke of the arm 68, the
point of the dog 99 escapes from the pawl 100, so that at any time thereafter the key 71 may be operated to perform its line-feeding function wholly independently of the said dog 99 or of the arm 63; the latter, of course, remaining in itsdepressed position until the types are again operated andthe .platen rotated for letter-feeding; said arm 63 gradually rising during the writing of the next vertical line on the work sheet.
During the return stroke of the arm 63 and the dog 99, the dog engages and idly rotates the pawl 100 about the pivot 101; and after the dog passes the pawl, the latter is snapped back to normal position by its spring 102.
Certain of the type keys, as for instance key 1, are silent, that is, they are capable of printing but incapable of causing the work-sheet to be character or letter-spaced, these keys being used for accenting or for building up alphabet characters, or for other purposes. The lever of each such silent key 7 is arched upwardly at 70, Fig. 3, to clear the second universal bar 38, so that said key lever cannot operate the alphabet character or letter-feeding dogs 29, 30. Its type bar, however, is provided with the usual heel 13 to operate the first universal bar 14 which controls the ribbon-vibrating mechanism, so that the ribbon is thrown up to cover the printing point although the paper is not fed.
Variations may be resorted to Within the scope of the invention, and portions of the improvements may be used without others.
Having thus described my, invention, I claim:
1. A typewriting machine constructed to write a language in which the written lines extendvertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, and means controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in normal reading position in the written line.
2 A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner'into the machine, a set of alphabet types constructed to make upright Imprints upon said sheet, a system of alphabet keys for operating said types, a spring connected to rotate said platen forwardly, an escapement connected with said spring and controlled by said keys for causing a stepby-step,.rotary letter-spacing movement of said platen by said spring upon the actuation of said keys, whereby the successive impri-nts made by the types are disposed one .below another in proper position in the written line, and. manually-operable means to rotate said platen backwardly in opposition to said spring, to begin a new line ofv imprints upon said sheet, a system of alphabet keys for operating said types, a spring forrotating said platen forwardly, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen upon the actuation of said keys, whereby the successiveimprints made by the types are disposed one below another in proper position in the written line, a carriage whereon said platen is mounted to move the same endwise for line-spacing, and means for controlling the line-spacing movement-of said carriage.
4. A typewriting machine constructed to write a language in whichthe written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordi nary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alpha bet keys for operating said types, a spring for rotating said platen forwardly, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a carriage for moving sald platen endwise for line-spacing, and means eluding a platen:
1 asaavs for simultaneously efi'ecting a line-spacing movement of said carriage and a backward rotation of said platen. a Y
. A- typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontallyarranged, revoluhle platen adapted to take in and hold a work-sheet introduced'head first in the ordmarymanner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a carriage for moving said plate. en wise for line-spacing, and feeding m hanrsm connecting said system of alpha et k s and said platen for imparting a tepe -step, rotary letter-spacing movement in forward direction to said platen upohth ctuation of said keys, whereby the suedei ivev imprints made by the types are dispose ne below another :gper position in the written line, said f ing mechanism inmounted upon the frame of the machine and connected with said spring to be driven thereby, and members cooperative with the first-named member mounted upon the carriage, to travel with the same and. extending to the platen to control the rotation thereof.
6. A typewriting machine constructed to write a language in which the writtenlines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a'set of al habet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a. carriage for moving said platen endwise for line spacing, and feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary letter-spacing movement in a forward direction to said platen upon the-actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, said feeding mechanism including a platen-driving spring, a member mounted upon the frame of the machine and connected with said spring to be driven thereby, and members cooperative with the firstnamed member mounted upon the carriage to travel with the same and extending to the platen to control the rotation thereof, said carriage members being maintained mnnected with said frame member during moveonmt at the rmriage.
"i; A: typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged,
driving spring, a member 'sprin revoluble "platen' adapted to take in and 7 hold a work-sheet introduced head'first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a platendriving spring, a train of gearing extending from said spring to said platen, and an escapement connected with said spring and controlled. by said system of alphabet keys for causing a step-by-step, rotary letterspacing movementwof said platen in a forward direction by said sprin upon the actuationof said keys, where y the successive imprints of the types are disposed one below another in proper position-in the written line. i I
8 A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page,
comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinar manner into the machine, a set of alpha et types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a travcling carriage whereon said platen is mounted, a platen-driving spring, a train of gearing extending from said spring to said platen, an eseapement connected with said and controlled by said system of alpha et keys for causing a step-by-step, ro-
tary letter-spacing movement of said platen -in a forward direction by said spring upon .the actuation of said keys, whereby the suc cessive imprints made by the types are disposed one below another in proper position in the written line, and means for moving said carriage and platen endwise, for linespacing the latter.
9. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriagewhereon said platen is mounted, a plateh-driving spring, a train of gearing extending from said spring to said platen, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letter-spacing movement of said platen in a forward direction by said spring upon the actuation of said keys, whereby the succes sive imprints made by the types are disposed one below another in proper position in the written line, and means for moving said carriage and platen endwise, to line-space .trolled thereby, Lin a direction capement mechanism the latter; said train of gearing including aeouple, of which one member is mounted on the carriage to travel therewith, and the other member on the machine frame, said members being constructed to maintain connebtlon during the travel of the carriage.
10. A machine of the class described, comprising a set of keys, a set of' types cona revoluble 1 aten extending perpendicular to the line of writing, a carriage for said platen to move the'latter endwise; a spring upon the frame Work of the machine, a key-controlled esconnected to said spring, and a train of gearing extending from the spring to the platen to turn the latter, said train including both an elongated barrel pinion mounted upon the framework v0f the machine, and also two branch-trains of gears mounted on the carriage at the ends of -the platen and extending to theplaten, and
each including a gear to mesh with said barrel pinion.
i 11; A machine of the class described, comprising a set of keys, a set of types controlled thereby, a'revoluble platen extending in a directionperpendicular to the line of Writing, a carriage for said platen to move thelat'ter endwise, a spring upon the frame- Work of the machine, a key-controlled es- .capement mechanism connected to said spring, and a train of gearing extending from the spring to the platen to turn the lat- 'ter, said train including both an elongated barrel pinion mounted upon the framework of the machine, and also two branch-trains of gears mounted on the carriage at the ends of the platen and extending to the platen, and each including a gear to mesh with said barrel pinion, the length of said barrel pinion being such that either one or the other of said gears may run out of engagement with said barrel pinion while the other gear remains in engagement therewith.
12. A typewriting machine constructed to Write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in, the ordinary mannerinto the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is mounted, a
' platen-driving spring, a train of gearing extending from said sprmgto said platen, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letterspacing movement of said platen in a for- -ward direction by said spring upon the actuation of said keys, whereby the successive imprints made by the types are d sposed one below another in proper position 111 the writluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a platendriving spring, a train of gearing extending from said spring to said platen, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary letter-spacing movement of said platen by said spring upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, and a handle connected to rotate the platen backwardly in opposition to said spring, to begin a new line of writing.
14.. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-armnged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is mounted, a platen-driving spring, a train of gearing extending from said spring to said platen, an escapem ent connected with said spring and controlled by said system of alphabet keys for causing a step-bystep, rotary letterspacing movement of said platen by said spring upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in extend vertically side by side down the page, I
comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alp abet keys for operating said types, a
carriage whereon said platen is traveltieng mounfeeding mechanism including a platen-driving spring connecting said sysmovement to sand platen in a forward direction upon theactuation of said keys,
whereby the successive imprints made by the types are disposed one below another in proper position in the written line', and a key independent of the alphabet keys for effecting a step-by-step, endwise, movement of said carriage and platen while the latter is held in any rotative position, to linespace the platen. I
16. A typewri write a language in which the written lines extend, vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced 'ihead first, in the ordinary, manner into the, machine, a set of alphabet types constructed to' make upright imprints upon said sheet, a system of alphabet keys for operating said types,- a traveling carriage whereon .said"'platen is 'mounted, feeding mechanism' including a platen-driving spring connecting said system of-a1phabet keys and said platen .for imparting a --step-by-step, rotary letterspacing movement to said platen in a forward direction upon the actuation of said keys .whereby the successiveimprintsmade by the types are disposed one below another in proper position in'the written-line, a spring connected 'wth said carriage for moving the same and he platen endwise, to line-space the latter, a =1 escapement for controlling such moveme at, and a key independent of, he alpha Set keys for controlling saide'scapement nd causing said endwise movement of theicarriage and platen while the platen is'held in any rotative position.
17. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take "in and hold a work-sheet introduced head first in the ordinary mannerinto the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for' operating said types, a traveling carriage whereon said platen is mounted, fmading mechanism including a platendriving spring connecting said system of alphabet keys and said platen for imparting a s pa rotary, letter-spacing movement to sald platen in a forward direction 11 pen the actuation of said keys, whereby the sucdssive im rints made by the types are disposed one.
' tion .inthe written line, a manually-operable device for directly and positively rotating ting machine constructed to a low another in proper posisaid platen backwardly to begin a new line of writing and to wind up said spring and means controlled by said manually-operable device for efl'ecting an endwise movement of luble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is mounted,
feeding mechanism including a platen-driving spring connecting said system of alphabet keys and said platen for imparting a disposed one below another in proper positionin the written line, and manually-controlled means for directly and positively rotating said platen backwardly, to begin a new line of writing and to wind up said spring.
19. A typewriting machine constructed to write a language in which the written lines extend vertically sideby side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first inthe ordinary manner-into the, machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a
'step-by-step, rotary, letter-spacing movetraveling carriage whereon said platen is mounted, feeding mechanism connecting for imparting a step-by-step, rotary, letterspacing movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one'below another in proper position in the written line, a manually-controlled device for rotating said platen backwardly, .to begin a new line of writing, and for effecting an endwise movement of said carriage and platen, to line-space the latter, and a separate key for efli'ecting the line-spacing movement of said carriage independently of said manually-controlled device.
20, A typewriter machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revolubleplaten adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types,
of alphabet keys and said a traveling carr age whereon said platen is mounted. feeding mechanism c m1ecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-spacing movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in line, and two separate, manually-controlled devices connected to effect, independently of each other, an endwise movement of said carriage and said platen, to line-space the latter; one of said devices being also connected begin a new line of writing.
21. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a traveling carriage whereon said platen is'mounted,
feeding mechanism connecting said system platen for imparting a step-by-step, rotary, letter-spacing movement to said platen upon the actuation of said keys, whereby the successive imprints made by the another in proper position in the written line, means connected with said carriage for moving the same and said platen endwise, to line-space the latter, a manually-operable device for rotating said platen backwardly, to begin a new line of writing, said manually-operable device being connected with the last-named means to control the operation thereof, and a separate key connected to control the operation of said last-named means independently of said manually-operable device.
22. A typewriting machine constructed to write a language in which the written lines extend vertically side by sided wn the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the .ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating 'said types, a traveling carriage whereon said platen is mounted, feeding mechanism connecting said system of alphabet keys and said platen for im parting a step-by-step, rotary, letter-spacing movement to said laten upon the actuation of said keys, wherebv the successive imprints made by the types are disposed one below another in proper position in the written line, a spring connected with said carriage for moving the same and said platen endproper position in the written nary manner into to rotate said platen backwardly, to
' line,
types are disposed one below,
wise, to line-space the latter, an escapement for controlling said spring, a manually-0perable device for rotating said platen backwardly, to begin a new line of writing, and means connected to said manually-operable device for operatingsaid escapement.
23. A typewriting-machine constructed to Write'a language in which the written lines extend'vertically side by side down the page, comprising ahorizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordithe machine, a set of alphabet types constructed to makeupright imprints upon said sheet, a bet keys for operating said types, a traveling carriage whereon said platen is mounted, feeding mechanism,connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-spacing movement to said )laten upon the actuation of said keys, wherebv the successive imprints made by the types are disposed one below another in proper'position in the written a spring connected with said carriage for moving the same and said platen endwise, to line-space the latter, an escapement for controlling said spring, a manually-operable device for rotating said platen back wardly, to begin a new line of writing, means connected to said manually-operable device for operating said escapement, and a separate key connected to operate said escapement independently OfnSilld manuallyoperable device. I
24. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a 1 5 bet keys for operating said types, a traveling 1 0 carriage ,whereon said platen is mounted, feeding mechanism connecting said system of alphabet keys and said platen for imparting a stepby-step, rotary, letter-spacing movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, means connected vs'h said carriage for moving the same and said platen from left to right, to line-space said platen, an escapement for controlling the movement of said carriage in such direction, and a manuallyoperable device for rotating said platen backwardly, said manuallyperable device being connected to operate said escapement.
25. A typew'riting machine constructed to write a language in which the written lihes to begin a new line of writing, 25
extend vertically side by side down the ing carriage whereon said platen is mounted, feeding mechanism connecting said system of alphabet keys and said platen fd r im parting a step-by-step, rotary, lettenspacing movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposedifonebelow another in proper position in the .written line, means connected with said carriage for moving the same and said platen from left to right, to line-space said platen, an escapement for controlling the movement of said carriage in such direction, a manually-operable device for rotating said platen backwardly, to begin a new line of writing, said manually-operable device being connected to operate said escapement, and a separate key connected to operate said escapement independently of said manuallyoperable device. Y
26. A typewriting machine constructed to write. a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make-upright, imprints upon said sheet, a system of alpha bet keys for operating saidtypes, a linespacing carriage whereon said platen is mounted, a platen-driving spring, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary, letterspacing movement of said platen in a forward direction by said spring upon the actuation ofsaid keys, whereby the successive imprints made by the types are disposed} one below another in proper position in the written line, nected to impart a rotary, word-spacing movement in a forward direction to said platen, and a key connected to control the line-spacing movement of said carriage while the platen is held in any rotative position under the control of said escapement.
27. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a linespacing carriage whereon said platen is a non-printing key conmounted, a platen-driving spring, an escapement connected with said spring and controlled by said system of alphabet keys for causing a step-by-step, rotary, letter; spacing movement of said platen in a foxward direction by said spring upon the actuation of said keys, whereby the successtep movement of the carriage while the platen is held in any rotative position under the control of said escapement.
28. The combination of a revoluble platen, a character-feeding mechanism to control the revolution thereof, a manually operated device connected to positively rotate the platen back for beginning a new line, and means connected to be operated by said manually operated device for line-spacing the platen.
29. The combination of a revoluble platen, a character-feeding mechanism to contro the revolution thereof, a manually controlled device for rotating the platen back for beginning anew line, and means connected to said manually controlled device for line-spacing the platen, said line-spacing means including a trip which automatically disconnects said manually controlled device when it has line-spaced the platen.
30. The combination of a revoluble platen, a character-feeding mechanism to control the revolution thereof, a manually controlled device for rotating the platen for beginning a new line, means connected to said manually controlled device for linespacing the platen, said line-spacing means including a trip which automatically dis connects said manually controlled device when it has line-spaced the platen, and a key for line-spacing the platen independently of said manually controlled device.
31. The combination of a platen, type keys, a spring for rotating the platen, character-feeding mechanism operated by said type keys for controlling the rotation of ths platenby said spring, a carriage for sai platen, a spring for driving said carriage, line-spacing mechanism for controlling the movements of the carriage, a key for operating said line-spacing mechanisn1, a manually controlled device for rotating the platen backwardly to begin a new line of writing, and means for enabling said manualiy controlled device first to operate and then to release said line-spacing mechanism.
32. The combination of a platen, type keys, a spring for rotating the platen, character-feeding mechanism operated by said type keys for controlling the rotation of the platen by said spring, a carriage for said platen, a spring for driving said carriage, line-spacing mechanism for controlling the movements of the carriage, a key for operating said line-spacing mechanism, a manually controlled device for rotating the platen backwardly to begin a new line'of writing, said line-spacing mechanism includingan arm having a trip, and said manually controlled device including an arm having a dog to engage said trip and operate the line-spacing mechanism during one stroke of the manually controlled device, and to pass freely by said trip during the return stroke thereof and release the same during the first stroke. 1
A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted totake in and hold a work-sheet introduced head first in the ordinary manner into the machine, a'set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, feeding mechanism connecting said system of alphabet keys'andsaid platen for imparting a stcp by-step, rotary, letter-spacing move ment to said platen upon the. actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a manually-controlled device for ro tating the platen backwardly, to begin a new line of writing, and means connected to said manually-controlled device for line-spacing said platen; said line-s :'-;1ciiig means including a trip which autormtica lly disconnects said manually-controlled device when it has lineespaced the platen.
34. A typewriting mac ine constructed to write, alanguage 'in Wl'li-"ii the written lines exten'd vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary mannerinto the machine, a set of: alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-spacing movement to said platen upon the actuation ofsaid keys, whereby the successive imprints made by the types are disposed one below another in proper position in thewritten line, a manually-controlled device for rotating the platen backwardly, to begin a new line of writing, means connected to said manually-controlled device for line-spacing the platen, saidJine-spacing means including a trip which automatically disconnects said manually-controlled device when it has line-spaced the platen, and a key for linespacing the platen independently of said manually-controlled device.
35. A typewriting machine constructed to write a language in which the extend vertically side byside down thepage, comprising a horizontall -arranged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon. said sheet, a system of alphabet keys for operating said types, a feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-feeding movement to said-platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a traveling carriage whereon said platen is mounted, a spring for driving said carriage, line-spacing mechanism for controlling the movement of the carriage by said spring, a 'manually-controlled device for rotating said platen backwardly to begin a newline of writing, means for enabling said manually-controlled device' first to operate and then to release said line spacing mechanism, said line-spacing mechanism independently of said manually-controlled device.
36. A typewriting machine constructed to write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-ari'anged, revoluble platen adapted to take in and hold a work-sheet introduced head first in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet, a system of alphabet keys for operating said types, a feeding mechanism connectin said system of alpha- .bet keys and said p aten for imparting a step-by-step, rotary, letter-feeding movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, a traveling carriage wherein said platen is mounted, a spring for driving said carriage, line-spacing mechanism for controlling the movement of the carriage by said spring, and a manually-controlled device for rotating, said platen backwardly to begin a new line of writing, said line-spacing mechanism including an arm having a trip, and said manually-controlled device including a member having a dog to initially engage said trip and operate the line-spacing written lines and a key for operating" mechanism and subsequently release said trip during one stroke of said manuallycontrolled device. and to pass freely by said trip during the return stroke thereof.
3T.w The combination of a revoluble platen, eharaeter-feeding mechanism to control the rotation thereof. a manuallyeontrolled device for rotating the platen backwardlyto begin a new line of writing. means connected to said manually-controlled device for line spacing the platen. and a key for operating said line-spacing means independently of said manually controlled device.
38. The combination of a platen, type keys, a spring for rotating the platen, character-feeding mechanism operated by said type keys for controlling the rotation of said platen by said spring, a carriage for said platen, a spring for driving said carriage, line-spacing mechanism for controlling the movements of the carriage, a manually-controlled device for rotating the platen backwardly to begin a -new line of writing, and means for enabling said manually-controlled device first to operate and then'to release said line-spacing mechanism.
39. The con'ibination of a platen, type keys, a spring for rotating the platen, character-feeding mechanism operated by said type keys for controlling the rotation of the platen by said spring. a carriage for said platen, a spring for driving said carriage, line-spacing mechanism for controlling the movements of the carriage, and a manuallycontrolled device for rotating the platen backwardly to begin a new line of writing, said line-spacing mechanism including an arm having a trip, and said manually-controlled device including a member having a dog to initially engage said trip and operate the line-spacing mechanism and subsequently release said trip during one stroke of the manually-controlled device, and topass freely by said trip during the return stroke thereof. I
40. A typewriting machine constructed to Write a language in which the written lines extend vertically side by side down the page, comprising a horizontally-arranged, revoluble platen adapted to take in and hold a Work-sheet introduced head first-in the ordinary manner into the machine, a set of alphabet types constructed to make upright imprints upon said sheet. a system of alphabet kevs for operating said types. a feeding mechanism connecting said system of alphabet keys and said platen for imparting a step-by-step, rotary, letter-feeding movement to said platen upon the actuation of said keys, whereby the successive imprints made by the types are disposed one below another in proper position in the written line, means for concomitantly rotating the platen backwardly, to begin a new linev of writing, and moving it endwise for linespacing, and a key for moving said platen endwise for linespacing independently of said backwardlyrotating means.
11. A typewriting machine comprising a revoluble platen. a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving sprin a train of gearing leading from said spring to said platen for rotating the latter, an escapement for controlling the driving of said gearing by said spring, to letter-space the platen,
gearing associated with the first-named gearing to reverse the direction of movement thereof, for rotating the platen backwardly, to begin a new line of writing, and for rewinding said spring, and a manuallyoperable device for driving the secondnamed gearing.
42. A typewriting machine comprising a revoluble platen, a line-spacing carriage whereon the same is mounted, a set of alphabet types, a systein'of alphabet keys for operating said types, a platen-driving spring, a train of gearing leading from said spring to said platen for rotating the latter, an escapement controlled by said system of alphabet keys for controlling the driving of said gearing by said spring, to letterspace the platen at each keystroke, gearing associated with the first-named gearing to reverse the direction of movement thereof, for rotating the platen backwardly to begin a new line of writing, line-spacing mechanism for controlling the movements of said carriage, and means for concomitantly driving the second-named gearing and actuating said line-spacing mechanism.
43. A typewriting machine comprising a revoluble platen, a line-spacing carriage whereon the same is mounted, a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving spring, a train of gearing leading from said spring to said platen for rotating the lat ter, an escapement controlled by said system of alphabet keys for controlling the driving of said gearing by said spring, to letter-space the platen at each key-stroke, gearing associated with the first-named gearing to reverse the direction of movement thereof, for rotating the platen backwardly to begin a new line of writing, linespacing mechanism for controlling the movements of said carriage, and a manually-operable device for driving the second-named gearing, said device having means connected to it for actuating said line-spacing mechanism.
44. A typewi-iting machine comprising a. revoluble platen, a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving spring, a rotatable barrel wherein said spring is d1sposed,- a.
pair of gears fixed to said bar2 :1, a. vertical shaft, a pair of gears on sail shaft one of said shaft gears meshing with one of said barrel gears, gearing connecting the other shaft gear with said platen to rotate the latter, an escapement connected with said barrel for effecting the rotary, letterspacing movement of said; platen by said spring, a pair of connected idle gears, one of wh ch mesheswith the other barrel gear, and a manually-operable, toothed element engaging the1other idle gear to reverse the direction of rotation of said barrel and its gear connections with said platen, for retating said platen backwardly to begin a new line of writing, and for rewinding said spring. a
45. A typewriting machine comprising a revoluble platen, a set of alphabet types, a system of alphabet keys for operating said types, a platen-driving spring, a rotatable barrel wherein said spring is disposed, a pair of gears fixed to said barrel, a vertical shaft, a pair barrel gears, gearing connecting the other shaft gear with said platen to rot :e the latter, an escapement connected with said barrel for eflecting the rotary, letter-spacing movement of said platen by said spring, and manually-operable gearing associated ,with the other barrel gear to reverse thedirection of rotation of said barrel and its gear connectionswith said platen, for rotating said platen backwardly to begin a new llne of necting said system of alphabet keys and said platen for impartinga step-by-step, rotary, letter-feeding movement to sold platen 'upon the actuation of said keys, a carriage-driving spring, an escapement for controlling the drive of said carriage by said spring, a member for operating said escapement, a manually-operable lever ar-,
ranged to actuate said member and to rotate the platen to starting position, a rod connected at one end to operate said member independently of said lever, a lever connected to the other end of said rod, and a key connected to operate said last-mentioned lever,
' 47.jA typewriting machine comprising a revoluble platen, a set of alphabet types, a
system of alphabet keys for-operating said types, a traveling carriage whereon said platen ismounted, feeding mechanism connecting said system of alphabet keys and saidplaten for imparting a step-by-step, rotary, letter-feeding movement to sand of. gears on said shaft, one of said shaft gears meshing with one of saidbod 1 erate said member,
platen upon the actuation of said keys, a carriage-driving spring, an escapement for controlling the drive of said carriage by said spring, a member for operating said escapement, a trip connected to said member, a rockshaft, a dog mounted on said shaft, and a handle connected to'operate said shaft, said dog being arranged, during one stroke of said handle, to initially engage said trip and actuate said member and to subsequently release the trip, and to pass freely by said trip during the return stroke of said handle.
48. A. typewriting machine comprising a revoluble platen, system of alphabet keys for operating said types, -a traveling carriage whereon said platen is mounted, feeding mechanism con necting said system of alphabet keys and said platen for imparting a step-by-step', rotary, letter-feeding movement to said platen upon the actuation of said keys, a carriage driving spring,- an escapement for controlling the drive of said carriage by said spring, a member for operating said escapement, a trip connected to said member, a rock shaft, a dog mounted on said shaft, a handle connected to operate said shaft, said dog being said handle, to initially engage said trip and actuate said member and to subse. quently release said trip and to pass freely by said, trip during the return stroke of said handle, and means for o erating said escapement independently of said handle emying a rod connected at one end to opother end of said'rod, anda keyconnected to operate said lever. i a
49. In a typewriting machine, the zombination of a set of alphabet types constructed to make upright imprints upon a worksheet, a system of alphabet keys for oper-' ating said types, a horizontal, revoluble platen, a carriage whereon the platen is mounted a motor for rotating the platen, an escapement controlling the rotation of said platen bv said motor, and a driving train leading from said motor to said platen, said train including an elongated barrel-pinion mounted upon the framework of the machine, and two branclr trains of gears mounted on the carriage at the ends of the platen and extending to the latter, each of said branch trains including a gear to meshwith said barrel-pinion.
50. In a typewriting machine, the combination of a set of alphabet types constructed to make upright imprints upon a worksheet, a system of alphabet keys for operating said types, a horizontal, revoluble platen, a carriage whereon the platen is mounted, a motor for rotating the platen, an
escapement controlling the rotation of said a set of alphabet types, a-
a lever connected to the arranged, during one stroke of I said branch trains including a gear to mesh.
with said barrel-pinion; the length of said barrel-pinion being such that either one or the other of said gears may run out of engagement with said barrel-pinion while the other gear remains in engagement therewith.
51. In a typewriting machine constructed to write a language in which the Written lines extend vertically side by side down the page, the combination of a horizontal, revoluble platen, a spring for rotating said platen forwardly, an escapement for controlling the rotation of said platen by said spring to effect a rotary, step-by-step, letter-feeding movement of said platen, and a manually-controlled device geared to the platen for positively rotating said platen backwardly to begin a new line of Writing and for rewinding said spring when said device is moved in one direction, said device being moved step-by-step in the opposite'direction during said letter-feeding movement of the platen, and said escapement operable to hold the platen in any intermediate position to which it may be rotated backwardly by said device.
J FRANK ALLARD.
\Vitnesses:
HARRY M. CHAMBERS, B. GOLDBERG.
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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530961A (en) * 1947-07-19 1950-11-21 Bell Telephone Labor Inc Stepping device
US2555729A (en) * 1948-06-16 1951-06-05 Ibm Horizontal and vertical spacing mechanism for chinese typewriters
US2612976A (en) * 1948-12-24 1952-10-07 Insurograph Inc Form issuing apparatus
US2700334A (en) * 1948-12-01 1955-01-25 Standard Register Co Strip feeding device
US2919783A (en) * 1956-07-16 1960-01-05 Standard Register Co Strip feeding device
US3643776A (en) * 1967-12-20 1972-02-22 Ricoh Kk Line space adjustment device for use with typewriter

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2530961A (en) * 1947-07-19 1950-11-21 Bell Telephone Labor Inc Stepping device
US2555729A (en) * 1948-06-16 1951-06-05 Ibm Horizontal and vertical spacing mechanism for chinese typewriters
US2700334A (en) * 1948-12-01 1955-01-25 Standard Register Co Strip feeding device
US2612976A (en) * 1948-12-24 1952-10-07 Insurograph Inc Form issuing apparatus
US2919783A (en) * 1956-07-16 1960-01-05 Standard Register Co Strip feeding device
US3643776A (en) * 1967-12-20 1972-02-22 Ricoh Kk Line space adjustment device for use with typewriter

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