US1007746A - Type-writing machine. - Google Patents

Description

' UNITED sTATEs l PATENT OFFICE.

BURNHAM C. STICKNEY, F ELIZABETH, NEW JERSY, ASSIGNOR T0 UNDERWOOD TYPEWRITER COMPANY, 0F NEW YORK, N. Y., A CORPORATION 0F DELAWARE.

TYPE-WRITING MACHINE.

Application filed April 27,

l'o all whom it may Com-ern.'

lBe 1t known that l, BURNILUL C. H'ricii- Nm', a citizen of the United States, residing in Elizabeth, in the county of Union and State of New Jersey, have invented certain new and useful Improvements in Typerriting Machines, of whichthe following is a. specification.

'lhis invention relates to the line-feeding mechanism of t.}-pcw'riting machines; and one of its main objects is to provide. simple, compact and inexpensive means for elteeting adjustments of the platen otherwise than blv the usual line-spacing lever; and particulaly to provide simple and convenient means for turning the platen through relatively great distances bacluvardly and t'o'rwardly for condensed billing.

Another object is to provide suitable means for advancing the platen automatically to vproduce a blank' line between entries on the carbon sheet.4

Another object. is to enable the mechanisln to be used also for ettecting tine adjustments of the platen.

ln the accompanying drawings, Figure 1 is a plan of a typewriter carriage provided with one form of my improvennnts. Fig. E?. is a- Seetional detail of a lever provided with a sliding line-spacing pawl. Fig. 3 is a seetional end elevation of the line-spacing mechanism. Fig. 4 is a sectional t'ronty elevation of the devices seen atlFig. l, omitting the casing in which the line-spacing mechanism is inclosed. Fig. 5 is an' end ele-:ation of the devices seen at Fig 1', the platcny axle being shown in section. Fig. 6 is a plan ot' a cam collar, showing part of the means For automatically advancing the platen while the machinevis used for condensed billing. Fig. 7 is a plan of a. rotatable head, which is to receive the crank seen at Figs. 1 and 5, and which also is intended to-carry certain of the line-spacing devices. Fig. S is a plan ot' a sliding collar by which movement. is transmitted to the line-spacing devices.

'lhe drawings show a platen-frame com--` prising front. and rear bars l and 2, and end bars 3 and 4.- 'lhrough said end bars eX- tendsI an axle 5; provided at each end with a inger-whecl, as atl and 7. for rot-ating a cylindrical platen 8 secured to said axle; collars il aml l() being provided l'or prevent- Specification of Letters Patent.

Patented Nov. '7, 1911.

serial No. $2,526.

ing endwise displacement of the axle and platen. Upon the axle within the platenframe and at the lett-hand end of the platenframe is secured a line-space ratchet wheel l1, by means of a hub 12 and screw 13, the ratchet-teeth V1-1 being upon .the outer face of vthe wheel. Line-spacing mechanism adapted to said ratchet wheel is mounted upon a revoluble head, comprising a hollow .shaft 15 having atits inner end near said i'at .'l|et-\ vl1eel opposite bent'arms 1G and 1T; said shaft at its outer portion being journaled in the side-har 3 ot' the platen-trame, as at 1S, and being hollow to /alford a bearing for the platen-axle 5 which extends .entirely through the same.- Said line-spacing mechanism comprises a lever 19, hinged at. and 21 upon reflevly bent cross-arms 32 and 23 secured upon said revoluble head; the pintle ot' the hinge being designated as 24, and said lever having theform of a bail which embraces said bearing arms. Upon one end of the level' is formed a cylindrical housing for a sliding pawl QG. provided within' the housing with a eonn'iression spring 27 coiled about; a stem 28 formed upon the pawl. said stein being provided with a cap 2S) to limit the projection 'of the pawl froin the housing. As seen at Fig. 1. the pawl stands normally clear of the linespace ratchet wheel` so that' the platen may be freely rotated b v either linger-wheel or 7; while by movement about the axis 2l, the pawl may be swung into engagement with the ratchet-wheel to rotate the same. Upon the end of an arm 30 also t'ormed u )on said revoluble head, `is pivoted at 3l a detent. in the form of a lever, one arm 3; whereof earries a roller 33 which engages the notches in the ratchet-wheel` while the other arm S-t is connected by a. draw-spring 35 to an arm 36. the latter forming an extension of onel of thc bail-arms of the lever 19. The spring thus serves the two-fold purpose of applying pressure to the detent and returning said lever to normal position after actuation.

v1t will now be perceived that the platen may be rotated. by ,either of its fingerwh'eels. or given a line-space mevement by the lever and pawl; and that it is always held against accidental rotation by the de-y tent; and also that byrotating the revoluble head, together with the lever. pawl and dctent thereon, the latter carries with it both the ratchet-wheel and platen; whereby exceptional rotative adjustments of the platen may be effected, together with kthe paper thereon, thereby facilitating writing upon ruled lilies, making corrections, etc.; while at all positions to which the head may be adjusted, the lever and pawl may be operated to effect the line-spacing movement of the platen. For rotating said head, a crank 3T is provided upon the end thereof that projects from the laten-frame; and for holdin olution a' 'alte is employed, coniprising a spring 38 housed in the end 3 of the platen frame and bearing against a plug 38 loose in the same bore 38h which confines the spring, and pressed by the latter against the -journal of the rotated head 15;said journal being enlar ed in diameter to increase the friction, an a4 shoulder 89 being formed at the inner end of said journal to prevent displacement of said head toward the lefft. The tension of the spring 38 may be regulated by a screw 38C; said spring being sufliciently powerful to hold the revoluble head steady at the line-spacing operation, and being considerably superior in elficiencyto the detent 32, so that the resistance of the latter may be overcome without stirring the revoluble head.

A line-spacing lever 40, consisting of a curved finger-piece 41 and a main forked portion 4.2, which bestrides the front carriage-bar 1 and the platen axle, is mounted upon avertieal pivot 43 in rear of the platen axle, and is adapted to swing from normal position toward the right at. Fig. 1, or in the direction of the return movement. of' the carriage. The connection between said carriage lever and the pawl-carrying lever-19 which mounted upon the revoluble head. comprises ay sleeve 44, spli'ned by 11u-.ans of' .pin and slot 4G to the tubular member la 45,017 said revoluble head; said Isleeve, having at its outer end a shoulder t7 engaged by opposite pills 48, 4t) fixed upon the linespacing lever 40, and having at its inner end a pin 5() engaging a radial lslot 5l formed in `a spur 52 formed upon the lever lt. By means of the spline, the sleeve Ll-Jf is caused to rotate with the revoluble head. but may move therealong, the latter movement being effected by the pins 48, 19 and annular shoulder 47, so that. the carriage lever il() may effect a movement of the. lever 1t) at. any point towhich the revoluble head may be adjusted, and thereby etl'ect a line.sp:ic ing or step-by-step rotation of'- the. platen. It will be seen that the pawl 2G, which is -normally out of engagement with the lines'paeewvheel, to permit the platen to be rotated by hand freely in either direction. is swung into engagement. with the ratchetwheel by means of theftinitial moven'xent ot' the head a-galnst accidental rev` `throw of the platen.

'sleeve may be adjusted along the bar,l and is provided on its upperl side with a projection 54, adapted to be inserted in any one of a series of three holes 55 formed in a yielding keeper 5G, the latter being secured to the carriage bar a screw' 57and provided at its free overlying end with a `finger-piece 5S, whereby it may be raised clear of the pin 5l. The lever 4() will throw one, two or three line-spaces, according to theadjustlnent ot'.

the sleevestop 53.

It will be perceived that the spring $15, which controls the ratchet-wheel detent, serves also by reason of itsI connection vtoan arm of the lever 19, to return the latter to normal position after actuation, together .with the sleeve 44 and lever -.'l-1. 1t will be further understood that during the lines acin oeration the swine` ot' the arm Bti" n vis sufficient 'to increase the tension of the spring materially, whereby the detent roller 33 is pressed with great force against the ratchet-wheel at the completion of 'the line-spacing stroke; and consequently the increased effectiveness of said detent aty this moment may be relied upon to prevent. ovm'- That is to say, the pressure of the detent may be normally so slight as to permit free rotation of the platen by the hand-wheels (i and l', butmay by the described means be rendered so powerful aty the completion of the line-spacing movenlent of the platen as to jn'event its overthrow. l

As illustrated at Figs.- '1 and il, a cylindrical easingor' drum 5E) may incase.; the ratchet# wheel, the rmfoluble head and the parts thereon to protect the parts'l'rom injury and to contribute tothe neat and compact appearance of the nmchine. which has a handle (10, is formed upon its opposite sides," with a series of notches or teeth (i1. which #form a double rack. stop (i2 is formed to bestri'de'the crankand slip into `the notches and may be adjustable along the crank. Upon the platen frame is secured by screws (33 ay plate G4 having thereon a of facets (l5 to be engaged by the stop (i2 to liln'it the initial stroke of the crank and platen. These stops form a volute series, being located successively at increasing distam-.es from the platen axls` 5 to correspond with the locationof the notches't'il on the crank 17. Then it'y is desired to have the stopl G2 engage with the ios first stop 65, the stop 62 is placed in t'he first pair of notches, as shown at l. ig. 5. The stops are placedat'angular intervals agreeing with those of the teeth of t-he line-space Wheel 11; and when it is desired to turn the platen backwardly from the normal Fig. 5 position to an extent greater by one or more line spaces, the stop 62 is adjusted to the second, third, fourth or other notch as t-lie case may be. By adjusting the stop to the top notch, a movement of the crank and platen is permitted about four fifths of a revolution from normal position. The invention is not limited to this construction of stops or `adjustment. The handle 60 is p grasped, and the platen swung .backward l formed in the platen frame end.

outer-end, it bears against the shoulder 47 thereby toa point determined by the previous adjustment of the stop 62, and then. the

'Written bill is removed from the machine,

and a fresh bill blank substituted; the record and carbon sheets remaining in the machine, as usual in condensed billing. Then the handle is' grasped and the platen turned forwardly thereby', until arrested by a stop 66 projecting from the plate 64 in the path of a lug 67 formed on the hub of the crank 37; said stop 66 determining vthe initial or normal position of the crank.

It will be seen that the crank remains stationary during the line byline'movement of the platen effected by the lever 42 or the platen knobs 6, 7. At any time the handle 60 may be grasped to rotate the platen through the detent 33.

`The .automatic'adva-nce of the platen to produce a blank space between bill entries on the record sheet is effected by means of a face or helical cam 68 formed up'on a collar 69, which is secured by screws 70 to the head 15, said collar 69 fitting the hub of the crank 37 and the side of the platen frame end 3, to prevent displacementof said head toward the right. Said cam 68 engages a horizontal thrust pin 70, which extends parallel with the axis 5, and is mounted for a sliding movement in a perforation 71 At its upon the sliding collar 44. When therefore the crank is swung over forwardly to give the initialV rotation to the plateii',the cam 68 forces the pin 70 tor the left at Fig. 1 together with the collar 44, and the line-spacing lever 19 is vibrated into engagement with the line-space wheel, andthe latter is accordingly advanced one or more notches according to the form and extent of the cam 68, thus producing' a blank space between entries on the carbon sheet. During the return stroke of tliefcrank'37, the collar 44 is returned to normal position by the spring 35 together with the pin 70.

When desired, the screw 70 may be unscrewed torelease the collar 69, so that the platen may be turned Without affecting the paper; and the crank- 37 may be then used `adjustment of the crank or other driver 37.

'frame t0 turn coiiccntrically vments mounted on tl e platen and the other automatic advance feed of thc platen and freely for efl'ectingine adjustments in the position of the platen and the paper, for writingupon ruled lines, and other purposes; -and when desired the stop 66 may be detached. The lever 42 may always be used to line-space the platen, regardless of the 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:

y 1. Ina typewriting machine, the combination with a revoluble platen and a platen frame, of a line-space Wheel connected to the platen, a head mounted to turn con'- centrically with the platen, a brake to resist turning of said head, a line-spacing mechanism including both a driving-pawl mounted on said head and a lever mounted' u on the platen frame to operate said paw a 'to said head to turn the same against thev opposition of-said brake, and stops to limit the strokes 'of said head and platen.

2. In va typewriting machine, the combination with a revoluble platen and a platen frame, of a line-space wheel connected to the platen, a head mounted to turn concentrically with the platen, a brake to resist turning of said-head, a line-spacing mechanism including both a. driving-pawl mounted onsaid head and a lever mounted upon the platen frame to operate said pawha line-space wheel .check or detent mounted on said head, a crank or driver connected to said head to turn the same against the oppositionof said brake, and stops to limit the strokes of said head and platen, one of said stops adjustable to vary the stroke of said head and platen.

3. In a typewriting machine, the combination with a revoluble platen and a platen frame, ofa headmounted on the platen frame to turn concentrically with the platen, a brake `to resist turning of said head, a line-space Wheel, a spring check or detent,'one of said wheel and detent elements mounted on the platen. and the other on said head, a finger-piece on said head, I

nation with a revoluble platen and a platen' frame, of a head mounted on the platen with the platen, a brake to resist turning of Said head, a'line-space wheel, a spring check or detent, one of said Vwheel and detent eleon said head, a fine piece on said head, a line-spacing de ic including a pawl and lever, both mou ted on one of said head and on said head, a linger piece connected toV said head a line-spacing device including a pawl andldever, both mounted on one of said head and platen elements, a lever mounted on the platen trame ,to operate said line-spacing devices, and an adjustable stop t'or Said head.

t5. In a tvpewriting machine, the combination with a revoluble platen and` a platen trame. of a head mounted on the platen frame to turn eoncentriealljr with the platen, a brake to resist turning of said head, a linespaee wheel, a spring check or detent, one of said wheel and detent elements mounted on the platen and the other on Said head, a crank to turn said head, and a stop to limit the throw of said. head effected by said crank.

7. ln a typcwriting maehine,the combination with a platen and a line-space wheel, of a. line-.space wheel actuator, means 'fer reciprocating said actuator, meansI for rotatin;r the platen together with said actuator, and stops for determining the strokes ot said rotating means.

S. ln a typewriting machine, the combinationwith a platen and a plat-cn fra-me, of a line-spaee wheel connected to the platen, a spring detent for said line-space wheel, al head cariyimgr Isaid spring detent, and means forv revolving said head through a predetermined number oil line-sparey intervals.

t). 1n' a typewritinr machine, the combination with a platen and a platen frame, of a line-space wheel connected to the platen, a

spring'detent for .said line-space wheel, a

head earryilrer said springr detent, and means l'or 1.evolvin, r said head through a predetermined nmnber ot' line--spaee intervals; said revolving meansI including a crank or lever and a' stop tor arrestingr said crank.

1t). In a typewriting machine, the combination with a platen and a platen trame, ol" a line-space wheel connected to the platen, a springl detent tor said line-space wheel. a head earrving said spring' detent-, and means flor revolvingY said head through a predetermined nnmlaer ot' line-space intervals; said revolving meansineludinga crank or lever and relatively adjustable stops tor limiting the strokes of said crank.

A1l. ln a tv|wwritin; machine, the combination with a. platen and a platen frame. et a line-spaee wheel connected to the platen, a spring detent for said line-space wheel, a

head carrying said spring detent, means for revolving said head through a predetermined munber of line-space intervals, said revolving means including a crank or lever alid relative-ly adjustable stops for limiting the strokes ot said crank, and a. finger wheel for rotating the platen while the crank remains stationary'.

1Q. In a typewriting machine, the combination with a platen trame, of a platen mounted thereon, a line-space wheel, a linespace pawl mounted upon a head for rotative movement about the line-Space wheel axis, a friction device opposing such movement of said head 'and pawl, means includ- `ing lever mounted upon said platen frame, for reciprocating said pawl to rotate the platen step by step, a crank connected to said head to rotate the same, and a stop to limit the stroke of said crank.

13. ln a typewriting machine, the combination with a platen frame, of a platen, a line-space wheel, a head mounted for rotation -eoneentrically with the line-space wheel, stops for Said head, a line-space pawl mounted uponsaid head, a line-space detent also mounted upon said. head, a manually operable part mounted upon the platen frame and effective to operate said pawl, and stops to vlimit the strokes of the manually operable part.

14. In a typewriting machine, the combination with a platen frame, of a. platen, a luie-space wheel, a head mounted for rota- .tien and previded with a Crank or driver, a 10.0

line-spade pawl, a lever upon said head \\\hereon said pawl is mounted, a line-Space detent also mounted upon Said head, meansupon ther platen frame for actuating said lever at lall rotative adjustments of `said 105 head, and relatively adjustable stops for limiting the strokes of said head and platen.

15. In a typewritingmachine, the combination with a platen frame, of a platen, a line-space wheel. a. head mounted t'or rota- 110 tien eoneentrically with said platen and line-space wheel, a crank for turning, said head, stops to limit the strokes et sa id crank,

a lever flllerumed upon ,said head, a pawl. carried by said lever for driving said line- 115- spaee wheel, and a lever mounted upon -the platen frame and .etl'eetive to operate the first-mentioned lever at all adjustments of said head.

lt. lu a typt-writing machine, the combi- 120 nation with a platen frame, of a platen, a line-space wheeha head mounted for r0tation ('oneentrieally with said platen and line-speme wheel and provided with a crank rigid thereon. a stop for limiting!` the stroke 125 ot' said crank. means between said platen` `frame and Said head for frietionally opposl operated by said lever, and a lever mounted upon the platen trame and etfective to operate the first-mentioned lever at all adjustments of` said head.

1T. In a typewriting machine, the Combination with a platen frame, of a platen, a line-space wheel, head provided upon a crank and mounted itor rotation concentricallv with said platdn and line-space wheel, stops for arrestin lsaid crank, a springpresscd line-space etent upon eaid'head and constantly engaging said line-space wheel, means between the platen frame and said head for frietionally opposing the rotation of the latter to such an extent thatsuficient rotative force may be applied directly to the platen to overcome the opposition of said detent without rotating Said head, a lever rotating with said head, .a line-Space pawl operable by said lever, and a lever mounted upon the.. )laten frame and effective to operate the rst-mentioned lever.

18. Ina typewriting machine, the combination with a platen frame and a platen mounted thereon, of a line-space Wheel, a head mounted for rotation, a line-space pawl and line-space detent both revoluble together with said had, a lever mounted upon the pltten frame, a device also revolubize with said. head andmovable longitudinally of the platen by said lever for actuating .said pawl to rotate said ,line-space Wheel and platen independentlyl of said hea-d, and stops to limit the rotation of said.

',head.

nation with a platen frame and a platen mounted thereon, of a line-space wheel, a head mounted for rotation and provided with a crank, stops to limit the rotation of said crank and head, a line-space pawl and line-space detent both revoluble together with said head, a lever mounted upon the platen frame, and a device also revoluhle with said head and movable in axial direction by means of said lever for actuating said pawl to rotate said line-space wheel and platen independently of said head.

QG. In a typewriting machine, the combiynation with a platen. frame, of a platen, a

line-space wheel, a head mounted for rota.- tion and provided with a ngcr wheel, a. brake YFor said. head, a crank for saidhead, a stop forsaid crank, a collar mounted upon said 'head and movable axially thereof, a line-spawnl pawl mounted for actuation by the axial movement ot said collar, and a. line-.spate lever mounted upon the platen frame and having a part to lengagzje said collar for moving the same in axial direction.

21. In a typewritiner macl'iine, the combination with a platen trame, platen and linelzufefwheel, ot a head mounted for rotation HP provided with a crank, a Stop for said 'fcignkv a brake, 't'or said head, a line-space detcntmonptml 'u )on said head a lever also 19. In a typewriting machine, the combi-` mounted upon said head, a line-space pawl actuablc by said lever, a collar splined upon said head and adapted by an axial movement to operate said level', and a line-space lever mounted upon the platen frame; one of ,said collar and line-space lever elements having a groove, and the other having a cooperative projection engaging' said groove.

22. In a typcwriting machine, the combination with a platen frame, platen and linespace wheel, of a head mounted for rotation, relatively adjustable stops to limit the. rotation of said head, a line-space detent upon said head, a lever also mounted upon said head, a sliding spring-pressed pawl mounted upon said lever and normally standing clear of said line-space wheel, and means for operating said lever at all adjustments of said head.

/f nation with a platen frame, platen and linespace wheel, of a head mounted for rotation concentrically with the platen and provided with a crank, means for frictionally opposing the rotation of Said head,.a stop tor said crank, a spring-pressed line-space detent mounted upon' said head, a lever,` also pivoted upon said head and provided with a sliding spring-messed pawl, a collar splined upon said head and having a pin-aml-slot connection with an arm of saut/lever, and a line-space. level' fulcrumed at ,its rear end in rear of said head and projecting forwardly from the platen frame and having between its ends a pin-and-slot connection with said collar..

24. .In al typewriting machine, the combination with a plate/framc and platzen, of a head journale 1 rthe platen frame, a platen axle. journa e wit-hin the head, a line-space detent mo ited upon said head, a line-space pawl also carried by said head, means for actuating' said pawl, a crank for said head, anda stop for Said crank.

In a. typewritino' n'iach'ino, the combination with a platen trame, platen and lincspace wheel, of a head liournaled in the platen frame, a brake for said head, av platen axle journaled within the head, an operating-crank upon said head 'outside of the platen frame, stops for said crank, a line,- sl'iace detent and line-space pawl both carried by said head within said platen trame, and means, including a lever mounted upon the platen trame, for actuating said pawl at all adjustments of said head.

2G. In a typewriting machine, theI combination with a platen frame, platen and line.- Spacefwhecl, of a tubular head journaledin the platen frame, a. platen axle extending with-in Said head, a crank upon said head outside of the platen frame, n'lcuns -ior frictionally opposing the rotat-n'm of said h aid, stopsifor limiting the strokes oi said head` a rack for one of saidv stops, a line-sl'iace detent and line-spaeev pawl both eartied by said head within said platen frame. a collar l niountei'l within said platen frame for rotation with said head. a lever mounted upon the platen trame. and having a part for engaging .said eollar to slide, the same axially` and means for enabling said eollar by its rxial movement to aetuate .said line-spare pawl.

2T. ln a typewriting maehine, the eombination with a line-spaee ratehet'- wheel and a platen. ot a springA )ressed detent engaging said ratehet wheel and adapted to slip over the teeth thereof. a erank t'or ett'eeting rotative adjustment ot said detent'I and ratchet wheel together, stops for said Crank, and a raek tor one of said stops.

28. ln a tvpewriting maehine. the eombination with a line-spaee ratehet wheel and a platen, of 'a spring-pressed deteut engaging said ratehet wheel and adapted to 4vieldingly hold the'same againstl rotation, means for effet-ting rotative adjustment of said detent and'ratehet wheel together through strokes each equal to many line-spare intervals. and a line-spaee pawl also rotative with said ratehet wheel, and stops for limiting lsateh strokes.

2S). ln av t'vpewritiiig maehine, the Combination with a revoluhle platen. of meehanism for imparting a step-b v-step rotation thereto. and means for ett'eeting strokes. ot' the platen together with said meehanism through a. stroke equal to many line space. intervals and baek to initial )osition and relatively adjustable stops t'or limiting sueh strokes.

30. ln a typewriting machine,- the combination with a' platen and a platen traine. ota head mounted for revolution in the platen Aframe. the platen having an axle extending through the head, a erankatpon an end ot' the head that projet-.ts from the platen t'rame. a stop for said crank. a brake for preventing aeeideiital rotation ol said-head. a line+paee ratehet wheel. and a detent being provided between said head and the. platen. to enable they head to rotate the platen. v

itl. ln a. typewriling niaehiue. the eolnbination with a platen and aplaten l'rutue. ot a head mounted for revolution in the platen t'rame. the platen having an axle extending throught-he head. a erank upon an end ol' the. head that projet-ts l'rom the platen l'ranie, and a. brake t'or preventing aeeidental rotation ot' said head. a line-spare ralehel wheel, and a detent being provided between said head. and the platen. to enable the head to rotate the platen. and said brake eoniprising a spring housed in the platen` t'rame and `eompress'tal between an adjusting serew and a loosel plug vthieh bears against. said head.

12:2. ln a eondensed'billing n'ieehanislnA the eonibination with a platen and a platen l frame.\of a crank provided with a rack, a,

stop adjustable along said crank upon said' raek. and a volute series of stops to coperat'e. with said stop for arresting the platen. 33. In a Condensed billing mechanism', the eomhiuation with a platen and a platen frame. of a crank provided with a rack, a stop adjustable along said Crank upon said raek. and a volute .series of stops to co'iperate with said stop for arresting the platen, said raek eonsisting of lnotches formed on o p0 site sides ot' the crank for engagement y a forked portion of the first-mentioned stop.

34.v In a condensed billing mechanism, the eombiiiation with a, platen and a platen frame. ot' a crank provided with a rack, a stop adjustable along said erank upon said rack, and a volute series of-stops to cooperate witlr said stop for rresting the platen. .said raekconsisting of notches formed on opposite sides of the crank for engagement by a forked portion of the tirstformed upon a plate which is secured to the platen frame.

ln a condensed billing mechanism, the

stop adjustable along said crank upon said raek, a volute series of stops to cooperate w1th said stop for arrestlng the platen, said posite sides ot' the Crank for engagement'I by a forked portion of the first-mentioned stop, said series of stops being formed u on a plate-whieh is seeured to the platen rame, and a stop to limit the return stroke of said erank and platen to initial position.

3G. ln a typewriting machine, the coInhination with a revoluble platen and a platen tralne, of ahead mounted in the platen frame and having a era'nk-or driver. means opposing the revolution of said head. a liliel spaee wheel and detent eonneeting the head to the platen. a part upon said head havingr a helieal eanr. a thrust' pin engaged by Said ealu. a sliding eollar upon said head and having a shoulder to be engaged by said thrust pin, and platen-rotating means actuated bv said slitlin'g eollar. wherebyy upon aeluating said erank or driver the platen ma)Y be turned lmekwardly to reeeive a new lsheet and simultamxouslY advaneed toprodueea blank between entries upon the record .sheet whieh remains in the maehine.

3T. ln a t'vpewriting niaehine. the romhinat ion witha revoluble platen and a platen I'ratne. ol a head mounted in the platen vl'rame and having a erank or driver` means 'opposing the revolution o't' said head.`a linespaee wheel and d'elent eonneeting thehead to the platen. a part upon said head having a helieal rant. a thrust pin engaged by said vani. a sliding t-ollar upon said head and l having a shoulder tto be engaged b v said mentioned stop, said series of stops beingv combination with a platen and a platenA l. traine. ot' a Crank provided with a rack, a

'aek Consisting of notches formed on 0p Correction in Letters Patent'No. 1,007,746.

thrust pin,'rand platen-rotating means actuated by said sliding collar, whereby upon actuating` said crank or driver the platen ma)v be turned baclnvardly to receive a new sheet and 'simultaneously advanced to produce a blank between entries upon the record sheet which remains in the machine, said cam part disconnectible to permit operation of the crank or drivel1 without eeoting automatic advance of theplaten through its line-.spacing mechanism.

38.1n a `typ@Writing machine, the coin-y bination with a platen and a line-space Wheel, of a detent for said line-space Wheel, a handle, means for enabling Said handle to move said dctenty together with said linel [SEAL] BURNHAM C. STICKNE Y.

Vitnesses:

K. FRANKFORT, JOHN O. SEIFERT.

It is hereby certified that in Letters Patent No. 1,007,746, granted November 7, 1911, upon the application of Burnham C. Stickney, of Elizabeth, New Jersey, for` an improvement in TypeWVriting Machines, an error appears in the printed specication requiring .correction as follows: Page 1., line 27,' for the word chamber read Wiemlier; and that the said Letters Patent should be'read with this correction therein that the same may conform the record of the case in the Patent Office.

Signed and Sealed this 28th day of November, D., 1911.

E. B. MOORE, Commissioner Qf Patents.

Correction in Letters Patent'No. 1,007,746.

thrust pin,'rand platen-rotating means actuated by said sliding collar, whereby upon actuating` said crank or driver the platen ma)v be turned baclnvardly to receive a new sheet and 'simultaneously advanced to produce a blank between entries upon the record sheet which remains in the machine, said cam part disconnectible to permit operation of the crank or drivel1 without eeoting automatic advance of theplaten through its line-.spacing mechanism.

38.1n a `typ@Writing machine, the coin-y bination with a platen and a line-space Wheel, of a detent for said line-space Wheel, a handle, means for enabling Said handle to move said dctenty together with said linel [SEAL] BURNHAM C. STICKNE Y.

Vitnesses:

K. FRANKFORT, JOHN O. SEIFERT.

It is hereby certified that in Letters Patent No. 1,007,746, granted November 7, 1911, upon the application of Burnham C. Stickney, of Elizabeth, New Jersey, for` an improvement in TypeWVriting Machines, an error appears in the printed specication requiring .correction as follows: Page 1., line 27,' for the word chamber read Wiemlier; and that the said Letters Patent should be'read with this correction therein that the same may conform the record of the case in the Patent Office.

Signed and Sealed this 28th day of November, D., 1911.

E. B. MOORE, Commissioner Qf Patents.

It is hereby certified that in Letters Patent No. 1,007,746, granted November 7,

f 1911, upon the abplication of Burnham C. Stickney, 0f Elizabeth, New Jersey, for ,l an improvement in Type-Writing Machines, an error appears in the printed speci fieation requiring correction as follows: Page 7, line 2T, for the word chamber read miemer; and that the said Letters Patent should be read with this correction I therein that the same may conform te the record of the case in the Patent Office.

Signed and sealed this 28th day of November, D., 1911.

[SEAL] E. B. MOORE,

Commissioner Qf Patens.

Correction n Letters Patent No. l

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