US1208375A - Line-spacing mechanism for adding or type-writing machines. - Google Patents

Description

F. C. RINSGHE. LINE SPACING MECHANISM FOR ADDING 0R TYPE WRITING MACHINES.

APPLICATION FILED. .IULYZh 1913.

' Patented Dec. 12,1916.

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F. c. RINSCHE. LINE SPACING MECHANISM FOR ADDING IIR TYvF-E WRITING MACHINES.

APPLICATION FILED JULY 21. 1913.

' Patented 10%. 112,1916.

- 3 swans-spun 2- nI mFiIIIMIIIrIIIII-IIIIIHIIMII I IIIIIIIII [I I I FINN mum Inm l I 1A IIIIIIIIIIIIIII7IIIEJJIIIIII'I:E'IILIIIII F. 0. RINSCHE. LINE SPACING MECHANISM FOR ADDING 0R TYPE WRITING MACHINES.

' APPLICATION FILED JULY 21. I9I3.

Patented Dec. 12, 1916.

3 $IIEETS+SHEET 3- mil if FRANK C. RINSGHE, 015 DETROIT, MICHIGAN, ASSIGNOR T BURROUGHS ADDING MACHINE COMPANY, or DETROIT,

MICHIGAN,A CORPORATION OF MICHIGAN.

LINE-srAoINe-MnoHAmsM FOR ADDING on TYPE-WRITING MACHINES.

moaats.

' To all whom it may cont-em greater than the usual Be it.known that T, FRANK C. RINsrtI-IE, a ciqizen of the United States, residing at Detroit, in the county'of "Wayne and State of Michigan, have invented a'certain. new and useful Line-Spacing Mechanism for Adding or Type-VVriting'Machines, of which the following is a specification.

he present invention relates tospacing mechanism adapted for use in the paper carriages of adding or typewriting machines, and has for its object the provision of means for rapidly turning the roller platen a prey-With the above object in view the invention consists in certain novel features of construction and arrangement, and new combinations of parts, the elements of which trated in a preferred are more particularly recited and pointed out in the appended claims; and in the accompanying drawingsthe invention is illusform of embodiment hereafter described in detail.

The invention as herein described is shown appliedto a carriage of familiartype in use upon the well-known Burroughs adding machine, of the general construction b shown in Patent No. 924,118, issued June 8,

1909, upon joint application of Jesse Gr. Vinl cent and Russell @f the accompanying drawings Figure 1 shows a right Benner.

side elevation of-the paper carriage of a Burroughs adding machine,

, 'the termright side being applied to the side at the right hand of an machine; Fig. 2 is a vertical section on the line 22 of Fig. 1; Fig. 3 is a detail showing a spring connection for returning the operating lever and handle, together with the gearturned by'the handle; Fig. 4 is an enlarged left side elevation ofthe carriage," the moving parts being showniin nonnal' po- Specification of Letters Patent.

stop or stud for adding machine.

a 9- to permit usual or regular line operator of the,

machine and Fig. 7 is a plan view on Fig. 4; Fig. 8 is a front elevation of the right away to uncover the parts shownm dotted llnesln Figs. 4 and 5;

theline 77 of y Patented Dec. T2, 191W, Application filed July 21, 1913. Serial No. 780,266. i i

hand end of the paper carriage, de-' tached from the main frame of the adding machine; Fig. 9 is a section on the line 9'-9 of F ig. 8; Fig. 10 is a detail showing perspective a ratchet pawl connection be- ;tween the operating lever or handle andcircular driving gear;

and Fig. 11 is aperspective of a locking pawl setting a movable etermining the length of stroke ofthe operating lever.

i The same letters of reference indicate the same, parts throughout the drawings.

The paper carriage to. which in the pres ent instanc my inventionis applied is of the particu ar adding machines and adapted for the making out of statements and other-tabulated work, the frame of such carriage, designated to travel to and fro laterally upon a track 3 whi'chgi's secured totheback panel 4 of the Carried in the side plates 15 of a cradle mounted upon thecarriage is the roller p'laten 6, which is equipped with the usual finger-wheel, or twirler and a line detentstar wheel 7, engaged by a yielding pawl 7", the wheel being of the type th'at'is releasable from the platen shaft by a clutch independent turning of the kind used upon Burroughsplaten; The carriage is equipped with the,

spacing mechanism, which need not be fully described, but in rief comprises the ratchet wheel 81 upon the roller platem (see'Fig. 8); the arm 82 on the platen shaft; the

to engage and-turn said 'oosely journaled pawl 80 adapted ratchet wheel 81; link being-both pivoted to said arm; and'the slotted plate 84, with which-the link may be engaged in different positions to cause spacing of different numbers of line spaces. This slotted plate is-secured to a shaft 12, and in the regular operations of the machine, the plate is rocked by the cross members of an oscillating bail mounted on the frame of the .which need not be here described to effect the usual line spacing.

operated through connections,

the link 83, said pawl and Jain 30 by the referencev numeral 2, belng mounted" support, are a pair of paper guides 1O with forwardly projecting flanges, which guides are held on the support by means of friction clips, confined by studs 10 projecting through horizontal slots inthe support, thus providing for lateral adjustment of the guides. .With the parts of the paper supporthaving the arrangement described, the

sheets will drop naturally into correct position, and the preliminary adjustments- -.usually. required to square the paper into proper-feeding position is avoided.

The parts thus far mentioned are no part of the present invention, which relates to a mechanism for turning the platen roller which will'now be described.

' Upon an irregular, upwardly and rearwardly extending portion 15 of the right side plate 15 of the cradle which carries the roller platen (see Fig. 6), is fixed a stud 16, a short distanceabove and to the rear of the platen, (Figs..2 and 6). A large gear wheel 17 having a hub 17 a is journaled on the stud 16, the outwardly-extending portion of the hub 17 in turn forming a bearing for an operating lever 18 lying adjacent the gear wheel and extending upwardly and terminating in a handle 18. A pinion 19 in mesh with the gear wheel 17 is fixed to the platen shaft 8,.and through the medium of the gear wheel is turned by the operating lever at a multipliedvelocity. The operating le'ver has a pawl and ratchet connection with the gear 17, a ratchet pawl 21 pivoted on 'such lever being pressed by a spring 20 v into the teeth ofv the gear 17, and a coil spring 21 surrounding the hub 17 of the gear serving to return the lever to its normal rearward position, in which .the lug 21 contacts the stud 21 on the arm 24, hereinafter described,'to disengage thepaivl'. One end of the sp,'ring'21 is fastened to a stud on the lever and the other end fastened to a stud carried'by a shield or cover plate 22 rigidly secured upon the stud 16, (see Figs."2 and 3). To limit the forward stroke of the operating lever there is provided a fixed stud 22 in the front of the side plate extension 15* for the flattened end 20 of the ratchet pawl to strike against, (see .Fig. 5), and the length of stroke is varied by an adjustable stud 23 which limits the rearward movement of the lever to its rearward or normal position, Figs. -1 and 4) This adjustable stud is carried inan arm nimted on the stud 16 and lying between the hub of the gear wheel 17 and the side plate extension 15, said arm being slotted at 23 to receive a limit stud 23 fixed in the side plate extension 15 and serving to limit the swinging of the arm beyond a certain forward and rearward setting. The length of stroke which the operating lever may take is determined by the position of the movable or adjustable stud 23 with respect tothe fixed stud 22, and the arm 21 carrying the stud 23 is locked at any desired position within the range of adjustment of the parts by means of a pawl 25 pivoted at 25 to the arm 24-, the forward end of this pawl being equipped with a pair of teeth 25 adapted to interlock with the teeth of a segmental rack 15 formed on the upper edge of the side plate extension 15 to hold the. arm in locked position. The pawl is held in engagement with the teeth of the segment by a s ring 25 connecting a rearwardly extending portion 25 of the pawl with a stud fixed in the arm 24,

.a knob 25 on the end of this portion of the pawl serving to release the pawl to permit the arm and stud to be shifted to any de sired position of adjustment, (Figs. 1, 6 and 11). Since the normal rearward position of the lever while at rest is determined by the position of the movable stud or stop 23 on the arm 24, the adjustment of the pawl 25 on the rack 15 serves to adjust the rearward position of the operating lever and thus governs the length of stroke which it is permitted.

'To facilitate the proper adjustment or setting of the operating lever for whatever distance of feed may be desired, an index scale is provided, so arranged that when the pawl 25 and consequently the lever is set to any position thereon the stroke of the lever will feed the paper the indicated number of inches, or of subdivisions indicating line spaces. 1 This scale is placed on the segmental upper flange of the shield 22 (see Figs. 7 and 8) and comprises graduations corresponding to the number of inches which the paper may be fed under the design andproportions of the parts of the device, in the present instance from 1 to 7, with intermediate graduations corresponding to line spaces or multiples thereofin the present casethe numbered marks, indicating inches, being subdivided into thirds, indicating each a. feeding movement equal to a double line space. dication 1 will bring about the revolution of the platen to feed the paper one inch andplace it in position to receive imprints one inch from the preceding line; the next intermediate graduation will give a longer stroke and bring the printing point a double line space farther below, and so on, the printing line being brought one double line space Adjustment of the lever to the infarther from the position of the preceding i 3 line of the sheet for each additional step to- Wa rd the rear to. which the lever is set.

In connection with the above described scale, another scale is provided which may be consulted to determine .what should be the setting of the index scale to bring the paper to a given printing line on the sheet. This scale is formed on the inner face of one of the laterally adjustable paper guides-'10 which are a part of the ordinary carriage and which are held on the paper support 10 by means of friction clips 10 (see Figs. 8 and 9). This scale is likewise marked to indicate'inches of feed of the-paper with in termediate divisions corresponding to those of the index scale on the shield 22, so that when a sheet is laid against the guides withits face exposed and its bottom edge in the 'crevice marked 12 in Fig. 9, the indication on the scale opposite the line on the sheet Where the imprints are to be made may be noted. The paper being then taken up and re versed, and the operating lever being set by lneans of the pawl 25 to the indication noted,

25 the operation of the handle will feed the paper a proper'distance to bring the desired line to the printing point. However, since'a considerable preliminarv feeding movement is required to bring the top of the sheet opposite the printing point of the machine, it is obvious that-it. is impracticable to include in this scale the full range of graduations provided for on the-index scale, and in the present instance (see Fig. 9) the'minimum indication is for a feeding movement of three inches, and the maximum indication seven inches.

In the ordinary operation of the machine the star wheel 7' of the line detent isengaged by a roller 7 mounted in a springpressed yielding pawl 7 "pivoted upon the frame of the carriage. For the purpose of avoiding the noise incident to the clicking of this roller over the teeth of the star wheel Which would otherwise occur with the mechanism hereinbefore described "when the platen is rapidly turned by the operating lever 18, provision i'smade for disengaging the roller 7 and at'the same time substituting for the resistance 'offeredfthereby a continuous frictional resistance thestar wheel is provided with this end concentric .fiange, and a short oscillatinglever 7; pivair oted near its center on the'yielding' pawl 7 carries at its upperend a pivoted shoe 27 which normally, when'the lower end of the lever is in rearward position, is out of contact with the flange, but 'which, by the rock- ,ing of the lower end of the lever forwardly,

may be brought to bearon the pog riphery of the flange,..the. flange "servmgas a fulcrum for forcing the yielding pawl ,7" and roller 7 down against the stress of the spring. The lever 7 having been rocked past its center and its lower end stoppedby the hub of the pawl, the spring serves to hold the shoe.

against the flange 7 with such pressure as to prevent too rapid rotation of the platen and absorb the shock of sudden stopping, and also to prevent over rotation of the platen which might occur under rapid operation of the operating lever'by reason of back lash in the gearing.v

While the invention has been described as applied to the well-known Burroughs adding machine it is obvious that it may be applied to adding machines of other types, and also to the carriages of typewriting machines, and the embodiment of the invention described is susceptible of various modifications without departure from the scope and essential principles of the, invention.

I claim: u

1. A line spacing mechanism for adding machines and the like comprising a platen,

.a pinion 'rotatable therewith, a gear wheel meshing with said pinion, a rearwardh spring-pressed operating handle pivoted;

concentrically with said gear wheel, a paw carried by said handle and forming a ratchet connection between said handle and gear wheel, a forward fixed stop, and a rearward adjustable stop, said handle normally engaging saidlast mentioned stop-and both said stops being arranged adjacent the path of the handle and cooperating therewith to limit its stroke and the rotation of the platen.

2. Ina paper holding carriage ,for adding machines and the like, a platen journaled in the carriage frame, a pinion rotatable therewith, a gear wheel meshing with said pinion, arearwardly spring-pressed operating handle journaled concentrically with said gear wheel, a pawl carried by sald f ing machines and. the like, a platen journaled in the carriage frame. a pnnon'rotatable therewith, a gear wheel meshing with said pinion, an operating handle journaled concentrically with said gear wheel, a pawl and ratchet connection between said handle and gear, a fixed stop limiting the throw of the handle in one direction. a rocking arm pivotedconcentrically of the gear wheel and v equipped with a stop for limiting the throw of the arm in the other direction, and means for locking said arm in various positions of angular adjustment.

4. In a paper holding carriage for adddirection and the I ing machines and the like, one of the end plates of the carriage having an upward extension equipped with a fixed stop, a pivot and a"segmental rack concentric with the pivot, a platen j ournaled in the end plates, a pinion rotating with the' platen adjacent said upward extension, a gear wheel rotatable on' said pivot, an operating lever mounted to rotate concentrically of said pivdt and arranged to contact said fixed stop at the limit of its movement in one direction,

a ratchet connection between said operating leverand gear wheel, and a movable stop adjustable on said segmental rack for limiting the movement of the operating handle in the other direction.

5. In a paper holding carriage. for adding machines and the like, one of the end plates of the carriage having an upward extension equipped with a fixed stop, a pivot, and a segmental rack concentricwith the pivot, a

platen journaled, in the end plates, a pinion rotating withthe platen adjacent said upward extension, a gear wheel rotatable on said pivot, an operating lever mounted to rotate concentrically of said pivot and arranged to contact said fixed stop at the limit of its movement in one direction, a ratchetconnection between said operating lever and gear wheel, an arm 24 mounted to rotate on said pivot, a pawl on said arm arranged to engage said rack at various positions of adustment, said arm having a stop contact arranged to interfere with said operating leplates, a pinion rotating with the platen" ad acent said .upward extension, a gear wheel rotatable on said pivot, an operating lever mounted to rotate concentrically of said pivot, and arranged to contact said fixed stop at the limit of its movement in one direction, a ratchet connection betwc n said operating lever'and gear wheel, a ,mr able stop adjustable on said segmental rack for limiting the movement of the operating handle in the "other direction, a cover plate fast upon said pivot, said cover plate bear ing an index scale indicatingthe rotation given the platen by the operating lever at the various positions of adjustment of the movable stop. v

7. Ina paper holding carriage for adding machines and the like, one of the endplates of the "carriage having an upward extension equipped with a fixed stop, a pivot, and a segmental rack concentric with the pivot, a

copies of this patent may be obtained tor platen journaled in the end plates, a pinion rotating with the platen adjacent said upward extension, a gear wheel rotatable on said pivot, an operatin lever mounted to rotate concentrically 0 said pivot and arranged to contact said fixed stop at the limit of its movement in one direction, a ratchet connection between said operating lever and gear'wheel, a movable stop adjustable on said segmental rack for limiting the movement of the operating handle in the other 1 8. In a paper holding carriage for adding machines and the like, one of the end plates of the carria having an upward extension equipped wit a fixed stop, a pivot, and a segmentalrack concentric with the pivot, a

platen journaled in the end plates, a pinion rotating with the platen adjacent said upward extension, a gear wheel rotatable on said pivot, an operating lever mounted to rotate concentrically of said pivot, and arranged to contact said fixed stop at the limit of its movement in one direction, a ratchet connection between said operating lever and gear wheel, a movable stop adjustable on said segmental rack for limiting the movement of the operating handle in the other direction, a cover plate fast upon said pivot, and a spring intermediate said operating 1ever and casing tending to ward said movable stop.

9. In combination with the platen and regular line-spacing mechanism of a recording machine, a gear and operating means therefor arranged to rotate the platen with multiplied movement, means for varying the length of stroke given by said gear to the platen, a scale'for indicating the length of stroke, a paper support, and a scale on said support marked to indicate the length of stroke necessary to bring a given line on the sheet to the printing point of the machine.

press said lever to-i 10. In combination with the platen and regular line-spacing mechanism of a recordmg machine, a gear and operating means therefor arranged to rotate the platen of the machine with a relatively long stroke, a scale for indicating the length of stroke, a paper support, and a scale on said support marked to indicate the length of stroke necessary to bring a given line on the sheet I to the printing point of the machine.

. FRANK .C. RINSCHE. Witnesses R. W. FAIRCHILD, R. S. MiELERT.

five cents each, byaddressing the Commissioner 012mm,

h Washington, 110."

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