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US2325505A - Justifying mechanism for typewriters and the like - Google Patents

Justifying mechanism for typewriters and the like Download PDF

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Publication number
US2325505A
US2325505A US346228A US34622840A US2325505A US 2325505 A US2325505 A US 2325505A US 346228 A US346228 A US 346228A US 34622840 A US34622840 A US 34622840A US 2325505 A US2325505 A US 2325505A
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line
carriage
setting
rail
paper
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US346228A
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English (en)
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Goy Andras
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
    • B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
    • B41J19/00—Character- or line-spacing mechanisms
    • B41J19/18—Character-spacing or back-spacing mechanisms; Carriage return or release devices therefor
    • B41J19/60—Auxiliary feed or adjustment devices
    • B41J19/64—Auxiliary feed or adjustment devices for justifying

Definitions

  • tiieobjeofi Ofthis invention is td provide a device for-compensatin the margin of the lines ii hiohensiire's a straight margin at'both sides of thelwritten document, by the use of simple constructional means and by a simple operationptne lengtheniri'gs and shortenings, respectiveiy; of the feed movementspreierabiy bemg, un orml distributed over the entire length of the line.
  • the control member is'oper'atively' connected to the device for setting the margin of the machin and may be adjusted on'said iievice.
  • the eiiactness and reliability of adjustment is improved and the manipulation substantially facilitatedl Y f
  • some construcinvention are shownby Ifn these drawings:
  • Fig. l is a diagrammatic view serving t o'explain the operation of 'the machine
  • Fig.2 is a rear elevationiof a typewriting inachine to which one form of the invention "is shown applied,
  • Fig. 2 is a section on line 33 of Fig. 2, i Fig. 4' is a detail'top plan view of the device for setting the margin shown in Fig. 2,
  • Fig. .6 isa top plan View of a detail shown Fig- 5 partially in section, Fig. 7 shows a plan view ting the margin,
  • Fig. 8 is a view of a modified construction of a portion of the device shown in Fig. 2,
  • i Fig. 9. is a front elevation; of the paper carrier and-of an additional device for automatically prii ingthe' aniounts to be'cornpensated,
  • i 10 is twp plan view or the construction of the device for set shown in Fig.- 9,-
  • Fig. 11 is a section on a larger scale on the line i--ii in Fig. 9, some portions being omitted,
  • Fig. 12 is a detail view on a larger scale of the additional printing device shown in Figs. 9-11
  • I Fig. 13 is an elevation of a modified construction of the subject matter of the invention shown from the rear side of the typew'riting machine
  • Fig. l l is a view of that portion of the construction illustrated in Fig. 13 which forms the continuation ofthe elements shown on top of: V 13 at the right hand side thereof,
  • Fig. 15 is a top plan View of the construction shown in Fig; 13,
  • Fig. 16 is a top plan view of a modified cone structicn oi the device according to theinvention, 1 1 Fig. 1'? shows a rear elevation of the device illustrated in Fig. 16,
  • Fig. 18 is a side elevation of a detail
  • Fig. 19 is a front elevation of the detail shown in ig. 18;
  • Fig. 1 diagrammatically shows a printed line I number of letters or characters is to end at the gauge line II, then in making the second printing the line must be shortened for the distance a; i. e. the line must be compensated.
  • the lines 5 and I which have a greater length determined by'a corresponding adjustment of the device for setting the margin.
  • This desiredlength of line is indicatedby the gauge lines III and IV.
  • the amount to be compensated i. e. the amount a, for which, in the second printing, the line 5 is to be shortened and the line 1 is to be lengthened or extended, is distributed over a greater length. of line. having more feed movements. It is, therefore, evident that with the same amount a of compensation a smaller amount of displacement for I each feed movement is required when writing the long lines 5 and 1 than when writing the relatively short lines I and 3, respectively.
  • type levers 293 driven by key levers 20! is mounted in the machine frame 9 9 (Fig. By depressing one of the key levers 7 2! the corresponding type lever 2% is swung and' the letter or character carried by this type lever is printed upon the paper arranged around the platen 292.
  • a shoulder 203 of the type lever acts upon a universal bar 264, whereby, by way of intermediate members 2&5, 2%,
  • a paper carriage escapement device is actuated.
  • the latter consists of a feed member 288 which, by means of a stationary and a movable pawl ZIQ and 2! l, respectively, alternately engages with the teeth of a ratchet wheel ZiZ.
  • the invention is not limited to this kind of machine, and may also be used where type wheels or othercarriers for characters or letters are employed.
  • the invention may also be used if the printing movement of the carrier for the characters or letters is effected not by hand, but by some suitable power drive controlled by templets or perforated cards, or in any other suitable manner.
  • the'inventio-n may also be used if, during printing, the printingmechanism is moved step by step and the paper support is stationary.
  • the rack bar !3 is not rigidly connected to the paper carriage IE, but the latter and the rack bar l3 are relatively movable in a longitudinal direction. This shifting in the longitudinal direction is permitted by the 'pin-and-slot guides i611!
  • the bell crank lever 23 is pivoted at 25 to a member 25 rigidly connected to the paper carriage H);
  • a guide roller 25 is mountedattheiend of the'other arm of the hell crank lever 23, the guide roller 26 being accommodated ina rail'ZT of U-shaped cross sec-1 i
  • This rail 21 serves'for controlling the loii'gi tudinal displacement of the paper carriage III with regard to the rack bar l3 as efiected by' the actuating member 23.
  • these depending arms and 52 for setting the margin preferably are adjustable along a bar 35 provided with aseale and mounted on-the frame 9 of the'niachine iii' such a manner that the' depending arms may be shifted in either dildtion Of niovemen'tof the carriage.
  • locking'devices 40 and 35, respectively, are provided whih may be engage'dwith or disengaged from the serrated lower edge of the bar 36.
  • the bolt 28 isdir'ectlv fixed to the depending arins 31 for setting the margin.
  • the bolt'm moreover, is guided in a horizontal slot 'oi a setting member which; according to the construction shown, is formed as a skeletonized plate 55.
  • the plate 55 is mounted for vertical movement relatively tothe frame 5 by pin a'nd slot guides to.
  • Arranged on the plate 45' is a: vertical rack bar flengaging a gear wheel48 journalled in'the frame of the machine. Pref-5 eraoly, the gear wheel es is rotated by means of a setting member from thefront side of the.
  • this set-a ting member preferably isformed as a rotatable scribed above.
  • The" rack bar 59 is fixed to the plate 4530 that upon engagement ofthe look ing tooth 58 withsuch rack bar," displacement of the plate 45 in an upward direction is impossible and adis'placement in a downward dir'ec tion is domparativelydifiicult.
  • the teeth of the rack bar 59 areisoconstructed that theyhave upwardly directed horizontal flanks and downwardly directed inclined flanks.-
  • the pawl 58 is providedwith a horizontallower'face and anv inclinedupp'er face; If an attempt is mad to move the plate 45 upwardly, the horizon tal upper flank of a tooth of the rackba ris caused to bear against the horizontal lower surface of the locking tooth EBQthereoy preventing v an upward movement of the plate 45.
  • the plate 45 has the purpose of aband therewith also the fulcrum 24 and the fulcrur n 22'of the bell crank lever 23, in the direc tion of the arrow B
  • the fulcrum 22 is, due' totheconnection 2! 20, [9,13, i4, prevented from such a displacement by the escapernent device 2fl8 2l2 of the pap-er carriage so that a torque is' formed which tends to swing the bell crank lever 23 man anti-clockwise direction' (see Fig. 2).
  • This swinging movement of the lever 23 is prevented by the guide roller 25 engaging theupper flange or the rail'Z'l of U- shaped cross section.
  • control rail 2'! is brought into a position inclined upwardly from the ful- 'crum bolt 23 to the bolt 29, then ateachfeed length, the turning movement of the bell cranl;
  • lever 23 may cause a displacement of the paper carriage ill with regard to the rack bar E3 of, the carriage only. This results in a displacement of the paper carriage Ill relatively to the rack bar IS in the direction of the arrow (1, i. e. to increase by a fixed increment, each of the feed movements of the paper carriage lB-rela- A position of therail 21, inclined downwardly from the fulcrum bolt 28to the bolt 29, therefore, efiects adisplacement of the papcr care riage it! with regard to the racl; bar it in the direction of the arrow e, i. e. resulting in a" shortening of the individual feed movements of the paper carriage l0 relativelyto those of the rack bar it.
  • the arms of the actuating lever 23, transferring the control movement from the rail Z'l to the paper carriage are of equal length so that the amount of the additional displacement of the paper carriage corresponds to the amount of upward inclination of the rail 2'. over the portion of the longitudinal movement of the paper carriage in consideration, that is, in ac- In this manner the amount by which the control rail 2! is to be lifted'or lowered, respectively, may be maintained exactly equal to the amount 'by which the lines of text are to be lengthened or extended, or. shortened, respectively.
  • the first line is to be shortened for two character or letter movements
  • the second line is to be shortened for three character or letter movements
  • the third line is to beextended or lengthened for four character or letter movements and so on, then, of course, in each individual line a corresponding lifting or lowering, respectively, of the bolt 28 and therewith of the control rail lengths of lines of text as explained in connection with, Fig. 1 automatically results from the adjustment of the bolts 28 and 29, supporting the rail 21, in the slot 30 during adjustmentof the depending arms 3 l, 32' for setting the margin.
  • F r si na i t e set in arrows .Q W9 i maybe provided upon the knob 50 instead of the signs and
  • the arrangement is such that in the position n wh c he p p c ia e a he beginnin 9 a line, asa n acc r spcndin sto $0 the depending arm 3 for setting the margin, the guide roller 26 of the actuating lever 23 comes into the range of the bolt 28;
  • Qf speciala dyanr is a a e n accord n t wh ch in the above, m nt ned ta t naroeiti e th paper a e the 1 1MB and h ro a e s bolts 28 and 29 are so positioned withregard to o the depending arms 3
  • the control rail 21 is brought intoalhorizontfal .po sition (Fig.2).
  • the paper carriage wand the rack bar I 3 are permanently .maintainedii tiie same relative position during operation or the m ch n b u e o l 2.7. @Edifi Z l ?%i1 -23 ar n t d ed by as ra .z idur n th tr e e th r re arr a e.
  • this line is to be lengthened or extended by the amount of two characters or letters to'oba n h q red i stifi e I i a h u r m be Pri ted a a e t'e en th nd t e 2s i ersel a ;QI first n n w h.
  • the setting knob is, before starting the printing of each line', brought into the position which is indicatedloy the mark printed at the end of the corresponding line of the first printing, whereby the above described setting operations arecarriedout and shortening or lengthening of the line by the desired amount is rendered possibleQI
  • the paper carriage comprehend the [effect of this adjustment, suppose that, in the starting position of the paper carriage the roller 26 should occupy a position somewhat to the left ,or to the rightoi thebolt 2.8 (Fig.
  • a short scale 12 may be shifted and fixed in any desired position or adjustmentlwith regard to the scale V 10.
  • the scal 12 carries a small pointer hearing the markY O. At one side of this mark a graduat o from to treat the ign lineso f the scale 10.
  • the pointer '13 of the short scale 12 is adjusted to the graduation line of the line scale 70 which corresponds to the desired justified end of the line.- In Fig. 7, this is the graduation line '75 or the scale it. if-the carriage pointer H, after printing the last character or letter of a line, stops in the position shown in Fig. '7, then it points to the graduation line +2 of the short scale 12. This mean -that the line just printed is shorter by the amount of two characters or letters than the desired length of the justified line and, therefore, is to be lengthened by the amount of two characters or letters when making the second justified printing.
  • the provision of the scale 12, therefore, renders superfluous the counting or calculating of the amounts of justification necessary for each printed line and assists in obviating mistakes.
  • a particular advanta e is to be considered in a further improvementof the device according to the invention, by means of which these amounts of justification are automatically recorded by the machine at the end of the individual lines of the first printing. This record, therefore, is efiected independently of the attention and the exact operation of the operator.
  • the additional improvement consists in the device shown in Figs. 9, 10, 11 and 12.
  • is provided on the frame 9 of the machine, the upper ends of which,
  • the first" four types from the left (Fig. 9) and from the right (Fig. 12) respectively, are provided with inclined numeral types 4, 3, 2, I. rangement of the numeral types 83 on the tongues 81 in an elevation shown in the direction of th -arrow D in Fig. 11;
  • the fifth'tongue B! from the left (Fig. 9) and from the right (Fig. 12), respectively, carries the cipher and the following types to the left, Fig. 12, carry vertically arranged numerals 1.to 6.
  • a cam 88 is mountedto be slid along the paper holding rail 64, which is swingably mounted in the paper carriage frame by means of arms 85, 86 and a sleeve 81.
  • the sleeve 89 carries a resilient indexing tongue at, which presses against the upper surface'of the paper holding rail 84 and holds the sleeve 89 and the cam 88 upon the paper holding bar 35 in any of its adjusted positions.
  • indexing tongue 90 Fig. 10 also serves as a pointer cooperating with the graduation provided upon the paper holding bar 84.
  • This bar 81! is journaled at 91 and 92 in swinging arms 85 and 86.
  • One end of the bar 84 extending beyond the swinging arm 85 carries a crank 93 provided with a crankpin 94 with which cooperates an arm as of the feeding lever 96 of the machine. Adjacent the crank 93 a spring 97 is provided which tends to rotate the paper holding bar 84 into the posi-' tion shown in Figs. 9, l0 and 11. In this position, the cam 88 occupies relatively to the platen 82, the position shown in full lines in Fig. 11. Further rotation of the cam 88 towards th platen 82 i may be prevented by a stop limiting the rotation of the bar 84.
  • Fig. 11 When occupying a position in the range of any of the resilient type-carrying tonguesgl, the end 98 of the cam as presses against the upper end of one of these type-carrying tongues and bends its free upper end-away from the platen until the end 93 of the cam 88 slides off the end of the flexed 1esilient, type-carrying tongue 3%, whereupon the latter springs back and strikes itstype 83 against the platen 82.
  • All the resilient; type-carrying tonguest8l are connected with, a rail 99 which, by means of arms Hi0 and ml, is swingably mounted at H12 and I93 on themachine frame 9 and is held in a position in contact with the backs of "the resilient type-carrying tongues by means of a spring,- not shown in the drawings.
  • the arm [Gil of the rail 99 has an extension IM which engages a member we of the ribbon fork 105. If, by flexing one of the resilient typecarrying tongues 8
  • the device shown in Figs. 9,10, 11 and 12 operates in the following manner: 'On the first printing of a document to be justified or equalized, the end of the indexing tongue 99 is adjusted by shifting the sleeve 89 along the graduated paper-holding rail 84 to a position corresponding to the desired end of the line, for instance, to the graduation line 32 in Fig. 12. Assume that the position of the resilient typecarrying tongues 8!
  • the movement of the carriage and the feeding of the lines are effected by a single operation;
  • the arrangement is such that, upon operation of the line spacing lever '95, its arm 95 first actuates the crank pin 94 to partially rotate the paper holding rail 84 together with the tripping cam 88 in the manner described above, whereby the corresponding type-carrying tongue 8
  • the zero at the end of the line then indicates that in making the second printing, the setting knob'5i! (Figs. 5 and 6) is to be adjusted to the graduation line B for this line.
  • the line feeding is effected by a further swinging of the lever 95, whereupon or simultaneously with the feeding of the line the paper carriage is shifted in the direction of the arrow A (Figs. 9 and 10);
  • the latter returns to its starting position shown inFig. 10 and the paper holding rail 84 is rotated b'ackwardly by the spring 9'! so that the tripping cam is returned from its swung out position 88', shown in dotted lines in Fig. 11 into the position of rest 88.
  • the paper carriage is moved towards the left, and the tripping cam, at the end of the line, again occupies a position between the platen 32 and the type-carrying tongues 8I.
  • the tripping cam 88 stops at the end of this line in front of the resilient torque 8I carrying the even type numeral 2, or the typecarrying tongue bearing the rearwardly inclined type numeral 4 (Fig. 12), and in the manner de scribed above, prints this numeral incident to the operation of feeding the line.
  • the automatic printing of the amountsof justification is effected without the operator being compelled to count the required-increments of justification, to calculate them, or to read them off a scale and write them down.
  • This may be eifected, either by shifting the sleeve 89 to a point on the paper holding rail B l which, at the end of the line, is out of the range of the resilient type-carrying tongues SI, or by means of a device known per se, the paper holding rail 84'may be lifted from the platen 82 to shift the crank pin 94 out of the range of the arm 95, so that when feeding thelines no rotation of the paper holding rail 64 and, therefore, of the tripping cam 88 is effected.
  • Such a lifting device is shown in Figs-9 and 10.
  • lhe swinging arm 85 carries a member I I I which, by means of a handle IIIl, may be swung about an axis arranged in parallel to the paper holding rail 84.
  • a cam surface II 2 on the member I II bears at I3 upon the frame It) of the paper carriage.
  • the cam surface H2 causes swinging of the armed to swing the paper holding rail 84 away from the platen 32. Swinging of the member I I I in theother direction restores the paper holding rail 84 into the position shown in Figs. 9, l0 and 11 opposite the platen 82.
  • the paper holding rollers I28 are, as shown in Fig. 9, journalled in arms I 49 of guide sleeves III to resiliently bear against the platen 82.
  • Said guidesleeves I2I are adapted to be shifted along the rail 84 and re main in any desired position of adjustment.
  • control rail 21 the control rail 21.
  • the arrangementfor setting the margin is provided at the rear side of the machine which results in a particularly simple connection to the guide rail fhe device according to the invention may also be fused in connection with machines in which the devices for setting the margin are not provided at the rear side of the maclnne.
  • the arrangerr'rent shown in Figs. 13, id and 15 allows a corresponding registering adjustment of the devices for setting the margin arranged at the front side of the machine and. of the bolts 28 and 29 holding the control rail 2?.
  • the two stops Mil and I4I for setting the margin are, in this case, arranged at the front of the frame Q of the machine upon a rack bar 42 and may be longitudinaliy displaced and fixed in any position of adjustment.
  • Each of the two stops operate with a line scale M5 fixed to the frame 9 cf the machine above the rack bar 542.
  • a stop M3 for setting the margin is linked by means of a connecting member 5 16 to an arm Ml fixed upon a shaft 548.
  • the latter is journalled in the frame 9 of the machine and at the rear of the machine, carries' an arm i ls which also is fixed upon the shaft and is linked by means of a connecting member i510 to a slide member I5i (Fig. 14).
  • the slide member iEI is d'isplaceably arranged along the horizontal slot 4d of the plate and carries the bolt 29 supporting one end of Depending upon the position of the stop l '58 for setting the margin, the bolt 255 occupies a corresponding position in the slot 38 of the control rail 21.
  • the slide member i52 is associated with, for adjustment by the stop it! for setting the marg
  • the slide member M52 is displaceably arranged in a horizontal direction along the slot I53 of the plate 15-4 fixed to the frame 9 of the machine and carries the fulcrum bolt 28 supporting the other end of the control rail 2i.
  • the rail Sal- carries, in a manner similar to that shown in Fig. 2, a bolt 33 which is guided in a slot 3 f. of the stationary plate ifi in a vertical direction and prevents undesired displacement of the rail 2'! in the longitudinal direction.
  • a stop bolt N39 is provided on the arm of the actuating lever 23 carrying the guide roller 26, which stop bolt I69 cooperates with a catch lid pivoted at HI to the slide member 552.
  • the arm H2 of the catch extends into the path of the stop bolt 59 and its other offset arm H3 engages beneath the rack bar i559.
  • the actuating lever 23 is swingably mounted at 24 on a member 25 rigidly connected to the frame 9 of the paper carriage.
  • the slide member !52 occupies aposition at the left of the stop id! for setting the margin (Figs. 13, 15), then the paper carriage, on its return travel in the direction of the arrow A, is arrested by the stop MI for setting the margin before the stop bolt I68 reaches the catch H2, H0 of the slide member 552. Due to the paper carriage striking the stop Nil for setting the margin in the direction of the arrow A, the rack bar I42, which may resiliently be shifted slightly in the longitudinal direction, is displaced in the direction of the arrow A. Duringthis displacement, a
  • the paper carriage It andv the rack bar 63 may be connected by a special spring 5st, Figs. 2 and 5, in addition to the connection shown in Figs. 2 and 3 -co nsisting of the members 25, 23, 2E, 19.
  • One end of the spring E96 may be fixed to a stud i552 on the sleeve 69 adjacent the sleeve 55 and the other end to a stud l 9i on the paper car- Owing to this arrangement, the spring i9 effects a dampening action between the relatively movable member 13 and ill.
  • the invention may also serve the purpose of easily and quickly adjusting the machine to various kinds of writing. If, for instance, a set of types is to be mountedin the machine whicheffects printing of broader characters and letters and. therefore, re-
  • V'JFOI instance, the..devic.e; shown in Fig. 8 for adjusting the;setting member'ifi in a vertical direction by, means of acam. is. capable of. heingoadapted; to various: large; adjustments.
  • Therack bar. 304.. and the pa-v per" carriage 32 are relatively movably. arranged in thevlongitudinal direction; This. shifting in r the longitudinal direction is'ensured. bythe pinand-slot guides 33$;3il1fat both ends of therack bar 304 and by a pin-anchslo't. guide-328, 329, the'guide pin SZSand the guide slot:328i of which areimounted on. thepaper.
  • carriage 320 andaa member 333, respectively; which latter isrigidly connected to the rack bar 3.04;
  • 33'fl fixed tothe rackbar 304,273 spring 33! is arranged as actionupon the movementszof therelativelymovablemembers 32B an'd"3fl i.y
  • the platen roshown in Figplfi which has a shock. deadening obtaining a: longitudinal movement of the paper carriage 32B relatively to the rack barSM; unifor-rnly icontrolled;-.by; the escapement device 324..3216
  • Theguide reller-3fl2f runs upon a rail serving to control.the'longitudinal movement of. the: paper; carriageg32llrelatively to the -;rack. b51230; which is l effected bytheactuating memberx332, 303.
  • the rail- 3M may be adjusted:;to various inclined positions and; ther.efore; one end-.ofethebar 361 is swingably mounted: at; 350.
  • Thelever 338 has aguide slot. 35fi-intowhich extends the bolt 354 of a setting. member3l9- Which is: hinged. at 353 to the guide railing Aj spring;358 connected to the lever. 308; draws doivnwalfd-ly said lever as well a thesettin mem e 1- a d-th su e ra At :theedge of the.
  • the en'dwfi the other armo f-the bellcrank lever 3 I I is; linked to the setting member 3 l 9 ,by j.a connecting member 354.- If thebell orank lever w: is om w ;s om membe due o this,linked -connection is rocked about the point 35.3 soz that t e ;bolt'354- oif the setting member i9.. 'sed i on -dir ti n nowadays t e h along the guide 5101*. 35s ofthe lever m.
  • the device is always adjusted tothese lengths of justification before printing a line of the second printing. This adjustment is effected by means of thesetting knob 313,; the pointer-360 and the scale 3M.
  • a line of sixty ordinary characterfspaces whichis to '-be lengthened by the amount of three such spaces evidently requires a greater inclined position ofthe guide rail than aline with ninety ordinary-character spaces which is tolbe-leh'gthened'by the same amount, because in the first case, the length of 'justific'a tion is to be distributed over sixty' character spaces, whereas in the second case, over ninety;
  • -by thea'ctuation of the'setting knob'3l3' therefore, requires an adaptation'to the length of line in question which is effected by means of-th'e knob 3
  • the scale dial 3I1-and'the pointer 365 has a-graduation corresponding to the various lengths of lines: In Fig. 19, for instance, asetting of a line of eighty ordinary'ch aract'e r spaces is shown.
  • the setting cam 310 is actuated and effectstheabo've explained alteration ofthe angular displacement of the lever 308.
  • Thetwo individual adjustments offthe setting" eccentric 309 andthe settingjcam 310 are "combined'by special leveragesi308, 3
  • shiftable actuating member connected with the escapement rack and the carriage, respectively; margin-setting stops; an adjustable control member engaged by the actuating member, and fulcrumed on one of said margin-setting stops; and means to variously position the control memher to compensatefor differences in the lengths of the lines over or under the desired uniform length of line, .and also according to the uniform length of line desired, including a slidable connection between the control member, the remaining margin-setting stops, and the actuat ing member, whereby adjustment of said remain ing margimsetting stop will shift the connection toward or from the fulcrum of the control member;v and manually operable means to shift the slidable connection and the control member substantially vertically, the combined adjustments" operating to vary the ultimate length of letterspacing movement imparted to the carriage from I the letter-spacing rack.
  • a device adapted to be used in connection with typewriting machines having a carriage, and letter-feed mechanism for the carriage;
  • a device adapted to be used in connection with typewriting machines including a paper carriage; and letter-feed mechanism for the carriage; means .to alter the length of the feed movements of the carriage to justify the lines of writing to a desired uniform length; an actuating member to effect an additional movement of the paper carriage; a controlv member connected to said actuating member; marginsetting stops; and means to adjust said control memberin accordance with the various differences in the length of the lines, including means connecting the control member with the margin-setting stops, one of which connecting means constitutes a fulcrum for the control member; said control member adjusting means also including a manually operable setting memher to adjust said connecting means transversely relatively to the longitudinal axis oi the control member, whereby to rock the control member about its fulcrum; and a rack bar and gear in the connection between the setting mom ber and the connecting means.
  • a device adapted to be used in connection with a typewriting machine having a traveling carriage including letter-feed mechanism for the carriage; means to varythe length of the feed movements of the carriage to justify the lines of writing to a desired uniform length including: an actuating member to effect an additional movement of the carriage; a pair of individually adjustable margin-setting stops on the carriage; a control member fulcrumed on one of said margin-setting stops, and connected to said actuating member for relative movement; means to adjust the control member in accordance with various differences in the lengths of the lines to be justified, and also, according to the length of the desired uniform lines; and means to connect the control member and the remaining margin-setting stop; means for the control member including asetting member to transversely adjust said connecting means, to rock the control member about ANDRAs GOY.

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  • Character Spaces And Line Spaces In Printers (AREA)
  • Handling Of Cut Paper (AREA)
  • Drawing Aids And Blackboards (AREA)
US346228A 1939-07-18 1940-07-18 Justifying mechanism for typewriters and the like Expired - Lifetime US2325505A (en)

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Application Number Priority Date Filing Date Title
HU218650X 1939-07-18
DE160340X 1940-03-16

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US (1) US2325505A (fr)
BE (1) BE440345A (fr)
CH (1) CH218650A (fr)
ES (2) ES152143A1 (fr)
FR (1) FR869587A (fr)
GB (1) GB543649A (fr)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2434665A (en) * 1945-02-05 1948-01-20 Oliver O Martin Justifying mechanism for typewriters
US2454470A (en) * 1944-05-01 1948-11-23 Oliver O Martin Margin justifying device for typewriters
US2712375A (en) * 1951-08-28 1955-07-05 Leglise Pierre Color setting of justifying typewriters
LT3962B (en) 1993-12-21 1996-05-27 Albright & Wilson Funcional fluids
WO2009136961A1 (fr) * 2008-05-05 2009-11-12 Perkins School For The Blind Dispositif d'écriture braille

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1041386A (fr) * 1951-08-28 1953-10-22 Réglage des justificateurs sur couleurs dans les machines à écrire justificatrices terminales

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2454470A (en) * 1944-05-01 1948-11-23 Oliver O Martin Margin justifying device for typewriters
US2434665A (en) * 1945-02-05 1948-01-20 Oliver O Martin Justifying mechanism for typewriters
US2712375A (en) * 1951-08-28 1955-07-05 Leglise Pierre Color setting of justifying typewriters
LT3962B (en) 1993-12-21 1996-05-27 Albright & Wilson Funcional fluids
WO2009136961A1 (fr) * 2008-05-05 2009-11-12 Perkins School For The Blind Dispositif d'écriture braille
GB2475154A (en) * 2008-05-05 2011-05-11 Perkins School For The Blind Braille writer

Also Published As

Publication number Publication date
CH218650A (de) 1941-12-31
FR869587A (fr) 1942-02-05
ES153306A1 (es) 1943-03-01
BE440345A (fr)
ES152143A1 (es) 1943-03-01
GB543649A (en) 1942-03-06

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