US1070636A - Paper-holding attachment for type-writers. - Google Patents

Description

4 (1.1.SWA1M. PAPER HOLDING ATTACHMENT FOR TYPE WRITERS.

APPLICATION FILED DEG.3Q,1911.

Patented Aug. 19, 1913.

2 SHEETS-SHEET 1.

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APPLICATION FILED DEC. 30, 1911.

Patented Aug. 19, 1913.

2 SHEETS-SHEET 2.

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"entrain CECIL J.

SWAIM, 0F If/lZQN'C IItEAlr, QUEIFBEC, GkNAIJA.

PA'PER-HOLDING ATTACHMENT FOE TiYPE-WRITERS.

Specification of Letters Patent.

Patented lilting. tilt, twi

Application filed December 30, 1911. St flat 1%. 668,592.

paper holding devices for typewriters, and

the main obj cut is to provide adcvic'e which may be readily attached to a typewriter and whicn will carry paper in roll form thus obviating the necessity of feeding individual sheets into the typewriter at frequent intervals.

A further object is'to provide a device holding a plurality of rolls of paper and provided with one or more ink ribbons whereby. copies of the original writing may be made without the use of carbon paper or other copying devices.

Toaccomplish these objects, I provide a framework pivotally connected to the spindle of the typewriter platen and supported at the rear on a track. attached to the type writer frame. This framework carries a plurality of rolls of paper. The ribbons of paper unwound from the rolls are led collectively aroundlhe platen roll of the typewriter in the usual manner. A plurality of ink r bbons are wound on spools carried by j the framework and are led across the platen roll in line with the typewriter ribbon. Suitable ribbon shitting and paper holding and cutting mechanisms are provided to complet the device.

In the drawings which illustrate this invention: Figure l is a side elevation of the device showing the method of attachment to a typewriter. Fig. 2 is a partial front elevation of the apparatus, all of the typewriter excepting the platen roll being omitted. Fig. 3 is a'delail view of the ribbon shifting mechanism. Fig. 4 is a-t'ront elevation of the device.

1 tctcrring more particularly to the drm imp-s, l1 designates the framework of a typewriter, 1?. the carriage thereof mounted on acks 13 and carrying a platen roll 14, a paper feed roll 15, and paper guide plate 1 6.

he paper holding attachment comprises a pair of similar inverted l..-shaped side trames 17, one arm 18 of each of which is curved; downwardly and is pivotally mount ed at extremity on the spindle l9 carry ing the platen roll. The other arm 20 ct each frame extends vertically downward a suitable distance.

:lrames are connected. a, horizontal bar 21. on which is mounted asuitable carriage .32 having grooved wheels .13 running on a horizontal track 24, supported by arms 25 eatending rearwardly from and. attachedtothe frame of the typewriter. The side frames are farther connected by bars 2-5 The lower ends of said and 27, the former of which is located at the junction of the arms 1.8 and so, and the latter approximately halt-way between the bar :26 and the platen spindle l9.

The paper carrying franc proper consists of a pair of similar side members 52-8 arranged vertically between the side members 17 and supported by the bars 21 and 26. These frames 28. are provided with a p111 rality of inclined notches '29 in which the spindles 30 of'the paper rolls 31 rest.

The ribbon mechanism comprises a small movement frame 32 attached to the arms 18 of the frames between the bar 27 and spindle 19. These frames 32 each carry a plurality of ribbon spools 33 to which are attached gears 34. located within the frame 32. These gears 34 are spaced a short distance apart so that they do not mesh, and are driven by pinions 35 located between each pair of gears 34'. The purpose of the pmions 35 is obviously to cause all the gears and consequently the ribbon-spools to rotate in. the

same direction. A. small crank 36 is attached to one of the pinions to rotate the same. A pawl 37 is pivoted to the movement frame and engages the teeth of the pinion carrying the crank so as to prevent the same rotating in one direction.

A bar 38 extends across the device from frame to frame and carries toward each end thereof the ribbon guide 39. This guide is located in line with the ribbon spools and consists of a strip preferably of metal hav ing the edges doubled over indicated at 40 so as to inclose the edges of the ribbons passing therethrough. The lower or free end of this guide is folded under on itself, the fold being at an angle of approximately 45, as shown at 41. In order to prevent a construction of the space between the folded over edge 4i0 and the guide member, the folded edges are preferably out at the diagm nal fold line, It will be readiv y understood that the ribbons passing through the guide will be turned through an angle of 90, the fiat of the ribbon still remaining in the sumo plane. The ribbons 42 extend from the spools at one side of the device through the guide 39 and across the platen between the same and the typewriter ribbon, and through a. guide to the spools at the opposite end of the machine.

In order to readily sever the paper into suitable len ten on, the bar 38 carrying the ribbon guides is provided with ,a sharp edge 43 at which the paper maybe readily torn so as to form a. straight and comparatively smooth edge. To prevent paper which has been written on falling forward, a pair of fingers i l are udjust-ably mounted on the bar 27 and are each provided with a short pin 45 projecting to ward the center oi? the machine. The fingers i l are adjusted to just clear the edges of the paper, and the pins 4-5 hold the printed pa .per up, but by reason or their shortness the paper may be readily disengaged when it is desired to sever any portion thereof.

in setting up the machine, the paper ribbone are all led from the rolls over the her 27 between the fingers dd thereon, do vn over the paper guide and around the platen roll 14, the paper passing between the platen roll and the feed roll in the usual manner. The paper is then passed under the cutter bar 88, and it suiiicient pro gects is caught under the pins which. will hold the paper up out of the operators way, thus overconr ing the natural tendency of the paper to assume the same curvature which it had in the rolls. Before the paper is passed under the bar 38, care is taken to feed the paper through between the ribbons i). so that there may be an ink ribbon in engagement with the face of each paper ribbon, the regular typewriter ribbon being in en agemcnt with the face of the outer paper ri con.

In order to shift the ink ribbons 42, the pawl 37 at one end of the machine is thrown up and the spools rotated by turning the crank 36 at the same end of the machine. Quring this shifting the ribbons rotate the spools at the other end of the machine in the opposite di ect-i so that the teeth of the pinion slip one the pawl 3?. When a sufiicient shift of the ribbon has been offectcd, boih powls are let down and the ribbon tightened by turning the crank 'at the opposite end of the machine in a reverse direction. This tension of the ribbons is necessary to prevent theseine being carried away from the printing point by the paper as at passes around the platen i ll.

It will be noted in the drawings that the device is no longer than the typewriter cnr= ths after the same nus been writ-.

denies u this rosy obit-since for Hire can sen, i1

reven e riage, and therefore will not require additionul space for operation. The ribbon spools are located with the axes horizontal instead of vertical as is the usual practice,

and a great economy of space is time effect ed, as the spools and shifting gear are 10- therein, supported by the frame, the spid' notches adapted to accommodate paper ourryingroll spindles, a horizontal track suported by the type-writer, wheels on said rame adapted to engage said track, a sup-- plemcntary frame carried between the arms of the mom frame, said sup 'ilemcntary frame supporting ribbon spools, and means for holding the rintcd paper in a position above the paper being printed.

2. A type-writer attachment comprising a main frame having arms, said arms being connected to the platen spindles of the typewriter, upright members carried by the said main'frame,-snid upright members adapted to support paper carrying rolls, a supplementury frame sup orted between the arms, ribbon carrying rol supported in said supplementary frame, gear wheels on the ends of said ribbon carrying rolls, a crank for opcratmg said gearing, and means supported by the frame for supporting the printed paper. above the paper being printed.

3. A type-writer attaclm'ient comprising in combination, a main frame supporting upright members, paper carrying. rolls sup ported thereby, a track connected with said type-writer, Wheels on, said main frame adapted to engage said track, arms on SiLld frame, a frame mounted between said arms, said frame supporting ribbon rolls, a gear wheel on one end of each of said rolls, a pinion associated with the gear wheels, and means for operating said pinion to rotate said rolls in one direction, fingers supported by the frame, a laterally extending pin secured to each of said fingers, said fingers adapted to support the printed paper out of engagement with the paper being printed.

in witness whereof I have hereunto set my hand in the presence of two witnesses.

cncn. J. SWAIM.

Witnesses: 1

STUART R. W. ALLEN, G. M. Monumnn.

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