US983470A - Type-writing machine. - Google Patents

Description

c. B. YAW. TYPE WRITING MACHINE.

APPLICATION FILED JULY 30,1909.

983,470. Patented Feb. 7, 1911.

3 SHEETS-SHEET 1.

WITNESSES: NVENTBR:

. I v I W 1-1125 ATTURNEY C. B. YAW.

TYPE WRITING MACHINE.

APPLIOATION FILED JULY 30,1909.

Patented Feb. 7,1911.

3 SHEETS-SHEET 2.

BEES:

H15 ATTORNEY C. B. YAW.

TYPE WRITING MACHINE.

APPLICATION FILED JULY30,1909.

Patellted Feb. 7, 1911.

3 SHEETSSHEET 3.

14:5 ATTORNEY UNITED srnrnsrigrnnr OFFICE."

CLIO B. YAW, OF ARLINGTON, NEW JERSEYIASSIGNOR T0 REMINGTON .TYPEWRITER COMPANY, OF ILION, NEW YORK, A. CORPORATION OF NEW YORK.

TYPE-WRITING MACHINE.

Specification of Letters I Eat ent:

Patented Feb. 7, 1911.

Application filed July 30, 1909. Serial No. 510,404.

r encountered by the marginal paper fingers which extend across the printing line being carried, at times, into the paths of the type bars as the latter move to the printing po sitions, thus causing the types to strike against the paper fingers and injure the faces of the types.

One of the main objects of my present invention is to overcome these difficulties and to provide simple and efficient means for preventing the types from strikingthe paper fingers or the paper feeding devices irrespective of the positions to which said devices may be adjusted alongthe platen.

A further object of my invention to provide simple and efficient paper feeding devices which will properly feed the paper at all times irrespective of the varying conditions encountered.

To the above and other ends which will hereinafter appear, my invention consists in the features of construction, arrangements of parts and combinations of devices to be 1 is an enlarged vertical fore and aft sectional View taken on the line w-w of Fig. 2 and looking in the direction of the arrow at said line, the view showing a suff cient number of parts of one form of typewriting machine to illustrate'my invention in its embodiment therein. Fig. 2 is a fragmentary front elevation partly in section showing the parts illustrated in Fig. 1 and disposed as shown in full lines in Fig. 1. Fig. 3 is a like view of the same showing the platen frame turned back as illustrated in dotted lines in Fig. 1. In Fig. 3' parts shown in Fig. 2have been omitted and parts have been broken away to illustrate the marginal line lock stops carried by the carriage. Fig. 4 is a vertical fore and aft sectional view of the platen, platen frame and some of the associated parts. Fig. 5 is a detail front View partly in section showing some of the means for applying pressure to the paperfeed roller. Fig. 5 is a like view of the same showing a slightly different disposition of the parts. Fig. 6 is an enlarged detail fragmentary planview of one of the paper fingers and the stop on which it is mounted.

Fig. 7 is a vertical transverse sectional viewof the same taken on the line y y of Fig. (3 and looking in the direction of the arrow at said line.

.I have shown my invention embodied in the present instance in a front-strike machine wherein the type bars 1 strike against the front face of the platen, though it should be understood that from certain aspects of my invention it may be embodied in other styles of typewriting machines.

The frame of the machine comprises side plates 2 united by a front cross plate (not shown) and a rear cross plate 3. Fixed guide rails t are supported. on the side plates and are grooved on the opposite side for cooperation with anti-frictionballs or rollers 5 which are likewise received in oppositely ceive the ends of a shaft 10 which turns freely in bearing openings in the ears 9. A platen frame 11 apertured' to receive a platenshaft 12 which supports a cylindrical platen 13.. Depending. feet 14. are formed on the platen-frame and bear upon the forward guide rail 6 of the truck and the parts are in the normal position shown in full lines in Fig. l. The platen frame has sleeves 15 formed thereon to receive the rock shaft 10, pins 16 ext-ending tl'irough the sleeves 15 andshaft 10 to connect the platen frame and shaft to turn together. A spacing sleeve 17 (Figs. 2 and 3) surrounds the shaft 10 at the left-hand end portion thereof and is interposed between the left-hand end of the platen frame and .the left-hand ear shaft or sleeve 18 surrounds the shaft and. turns freely thereon. A collar 19 surrounds the hollow shaft at the lefthand end thereof and is secured to the shaft by a screw 20 threaded into the collar and bearingatiits inner end in a depression in the hollow shaft. Thisc ollar isformed as a part of a release arm or finger piece apro vided with a projection 19 against which the free ends of aleaf spring 19? bears, the spring being secured to the platen frame by screws 19. The pressure of the spring 19* .is exerted on the finger piece a to turniit 'rearwardly as indicated by the arrow in' Fig. '1 in order to force the feed rollers into contact with the platen as will hereinafter more clearly appear. The left-hand end of the hollow shaft 18 bearsagainst the lefthand end plat'e'ofthe platen frame, whereas the right-hand end of said hollow shaft bears against a spacing sleeve 21 interposed "between the shaft'and the right-hand end plate of the platen frame. Hangers 22 are provided with collars 23 which surround and are loose upon the hollow shaft 18. The

' forward ends of these hangers receive a shaft 24. which supports a series of llltlOv pe ndently rotatable feed rollers 25, spaced a nut on the shaftby spacing the sleeves 2t 1e bearing ends of the shaft 24: which are received in openings in the hangers are of such shape as to allow a limited swingin movement of one hanger independently or the other without jamming or buckling the shaft 24 in its hearings in the hanger arms. The hollow shaft 18 has a split sleeve 27 st r-- iz'ounding it about midway of its length and intermediate the hanger arms oi: the

ill

paper feed rollers. The ends of the split slowe are united by a headed-screw 28 which 'pass'es'freely through an opening in one part of the sp it sleeve and is threaded into the other part in order to draw the ends ul' the sleeve together and thus bind the sleeve iirmly upon the hollow shaft .18. An

arm 29 extends forwardly froin the split the bar 32 with the hanger arms and with the arm 29 is best shown in Figs. 5 and 5 from winch 1t Wlll .be seen that each'hanger arm 22 is apertured {It-33 for the free pasf' sage therethrough of the stemof a headed the bar 32 is adapted to receive a pivotal or.v

screw '34 threaded into a tapped opening in thQlJEII 32. 1 and 33, and-the disposition of the heads of the screws 31 and 34 relatively to the arms with which they are connected, are such that rocking or swinging movement on the arm The enlarged openings 30 29 as indicated for example by a comparison This pivotal movement of Figs. 5 and 5 of the bar 32 ailords an independent turning moren'lent of the hangerz's 22 on the 1101- hollow shaft 18. This movement is effective to produce an upward pressure on the arm 29 which tends to lift the bar 32, to apply the pressure of the spring 19" equally to both of the hanger arms of the paper feed rollers 25. thus forcing them into contact with the platen or the paper thereon.

By pivoting the bar 32 intermediate of its ends and applying the pressure of the spring'to the hangers of the feed rollers in the manner described, I am enabled to apply what may be termed a balanced pressure to the feed rollers, the pressure on the feed rollers at one end of the platen being-equal to that at the other end of the platen. In short, the pressure applied to the feed rollers throughout the length of the platen must in all cases be the same, so that a straight and even feed of the paper at both ends of the platen is insured irrespective of the varying conditions that might be encountered. Thus, for example, if there should he a greater thickness of the work sheet at one end of the platen than at the other, the feed roll at that end of the platen where the greatest thickness occurs may be forced by the work sheet away from the platen, asl have attempted to indicate in Fig. 5", without affecting the feed roll or rolls at the opposite end of the platen, and an equal pressure would be exerted upon the feed rolls at both ends of the platem Thc loosencss of the connection between the arm 29 and the bar 32 and between the Stlfll hair and the hangers 22 aii'ords this inde- )endent movemcni of'thc feed roll han 'ers to effect a uniform pro-sure of the feed rollers atboth ends of the platen at all times, and to provide for maintaining the feed rolls on the paper at one end otthe platen when the feed rolls at the opposite end of the platen are forced away from it, as hcrcinhcforc explained.

The paper is directed to the platen and is directed in its movement around the platen by a combined paper feed table and paper apron preferably formed as one part from a single piece of sheet metal. constituting an inclined paper table which extends upwardly in the rear of the platen to direct the paper to the bight between the feed rolls and platen. This paper table is continued 'ttIOl-Uftlefllt laten following the general contour'thereo and forming a pa an apron 3G which extends upwardly in ront of the platen to a short distance below the printing line indicated by the dotted line Z) in Fig. 1. The paper apron is aperturcd at 37 to enable the paper rollers to extend therethrough and to bear upon the platen or the paper thereon. The paper table may be stiffened by the formation of flanges 38 on the side edges thereof. The rear side of the paper apron is provided with blocks 39 that may be soldered or otherwise secured to the paper .apron. Supporting blocks 40 cooperate with the blocks 89 and are adjustably secured thereto by headed screws 41,

. the stems of the screws passing through elongated openings 42 in the blocks and passing at their threaded ends into tapped openings in the blocks 39. Slots 42 extend fore and aft of the machine to enable a slight fore and aft adjustment of the combined paper table and paper apron to be effected on the supporting blocks 40. The blocks 40 are provided with ears 43 tapped to receive the threaded ends of shouldered headed pivot screws 44 whichpivotally connect supporting blocks 40 to supporting arms 45. There are two supporting arms 45 provided, one near each end of the paper apron alnd each arm has a collar or hub 46 which surrounds a rod 47 and is fixed thereto by a pin 48 which extends through the collar and rod. Thesupporting rod 47 extends through openings in the platen .frame and is secured therein by set screws 49 which are received in tapped openings in the'end plates of the platen frame and bear at their inner ends against the supporting rod. The ends of the rod 47 are extended beyond the I platen frame to form stop pins 50 which cooperate with upwardly extending stops 51 formed on the upwardly extending-lugs 9 of the carriage truck. The stop pins 50 co-actwith the stops 51 to limit the backward swinging movement of the platen as indi cated 'in dotted lines in Fig. 1. The papertable has an car- 52 soldered or otherwisesecured on the rear side thereof. 5 This ear is perforated to connect one end of a contractile spring 53 therekkthe opposite end of the spring hooking around the supporting rod 47. The pressure of the spring is exerted to turn the paper table on its pivots 44 and thus cause the: front edge of the paper apron to bear against the platen.

I have provided linelock and margin stop mechanisms which are combined with certain of the paper feed devices to prevent the types from striking the same under all adjustments of thepaper feeding devices.- The margin stop and line lock mechanism shown in the present instance comprises a line lock and margin stop bar 54 detachably secured to the carriage truck by screws 55'' (see Fig. .3) which extend through threaded openings in the carriage truck and takeat their'redu'oed unthreaded ends in openings in the ends of the bar 54, the squared ends of the bar being received in corresponding openings in the carriage truck to prevent the bar from turning. The bottom edge of the bar 54 is provided with teeth 56 spaced apart to correspondto' the letter spacing of the machine. I have provided four stops adj ustably mounted on this bar. There is a line lock stop 57, a final line lock-stop 58, a margin stop 59 and a final margin stop 60. These stops are all adjustably secured to the stop bar 54 in the same manner so that the description of the means for adjusting one will sufiice for all. Each ,stop is recessed on one side thereof to receive the stop bar 54, as indicated in Fig. 7, so that the body portion of each stop surrounds the stop rod on three sides. Each stop is apert-ured at 61 to receive the stem 62 of a locking device formed with an angular engaging portion 63 which is adapted to be received in the interdental spaces between the teeth 56 on the stop bar 54 so as to lock the stop in the position to which it has been adjusted along the stop bar. The locking device 62 -63 is threaded at 64 for cotiperation with a cap-like finger piece 65. A coiled expansion spring66 is received in the opening 61 and surrounds the stem 62 of the engaging device, the spring hearing at its upper end against the lower edge of the cap-like finger piece and bearing at its lower end against the bottom wall of the opening 61 in the stop. By pressing down on the finger piece 65 the engaging device may be disengaged and the stop moved along the stop rodto the desired position. From an inspection of Fig. 1 it will be seen that the forward side of each of the stops is adjacent to the front rail 6 of the truck, which rail prevents the stops from being withdrawn transversely of the rod.

The line lock stop 57 has a depending engaging portion 67 provided with a vertical engaglng face on the left-hand side thereof and a beveled face on theright-hand side thereof. A corresponding projection 68 is formedv on the margin stop 59, the p rojec= tions 67 and 68 being of the same length. The final line lock stop 58 has a. depending engaging portion 69 that extends down farther than the engaging members 67 and 68 on the line lock and margin stops 57 and 59 respectively but is set fartherforward for purposes which will hereinafter appear. margin stophas also a depending portion The final 70 which is longer than the engaging. portions on the stops '57 and 59 arid corresponds to the length of the projection 69, I

and like it, is set forward of the projections .67 and 68, as indicated in Fig. 1. All four of these stops are adapted to eo-act with a coiiperative stop member carried by the frame of the machine underconditions which will hereinafter appear. The coiiperative stop membercom neath the carriage.

&

rises a reduced portion 71 and an enlarge portion 71*both formed as an arm which extends rearwardly from a sleeve 72 formed as a part of the stop? This sleeve surrounds and is fixedly secured to a horizontally disposed rock shaft 73 which extends in the direction of the travel of the carriage and is situated be- The rock shaft 73' is mounted in bear1ng7 i and 75 secured to the forward fixed rail 4 by screws 76. The

- turn freely therein and to receive a limited longitudinal movement is deterl nined b rock shaft is supported in these hearings to longitudinal movement. The extent of this the ends of the rock shaft 7 3 contacting wit the side plates 2 of the frame as shown in Fi 2. A coiled spring .77 surrounds the rock shaft 73 and issecured at one end in an opening sha ft ,and is secured thereto by ascrew 79. The

in. a sleeve 78 whichsurrounds the rec I oppositeend-80 of" the spring is seated in an opening in the bearing 74:. The pressure of this springis exerted-to normally maintainthe shaft 73 in; the longitudinal position illustrated inFig. 2'with the right-hand end of the shaft bearing'against the right-hand end plate 2 of theframe. The spring at the same time exerts a pressure to normall maintain the'roclr shaftJurned to a position such as that illustrated in Figs. land 2 in which the portion 71 of tlie'stop 7l-'7l is interposed in the path of the depending projections 67, 68, 69 and 70 on the cooperating stops which are carried by the carriage', the projections 67 and 68 cooperating with the portion 71, and the projections and 7 O cooperating withthe portion 71*. A

\ line look devices (not shown), such, for instance, as that disclosed in my application,

Serial No. 507,920, filed July 1c, 1900, to;

'lock the printing instrumentalitics against operation. For the purpose of the present invention the entire line lock mechanism may be of any suitable character.

A crank arm 87 is secured to the rock shaft 73 and is connected by a link 88 with a suitable key such as that disclosed in my application above referred to, and by which the rock shaft- 7 3 may be turned against the i pressure of its spring 77 to move the stop 7l 7l out of the path-'oflthe depending projections 67 and (38 on the line lock and margin stops 57 and 59 respectively. This movement of the stop 71-7l is insuflicient. however, to carry the portion '71 thereof out of the path of the pro'ections 69 and on the final line lock an marginstops 58 and 60 respectively. When the shaft 7 3 is turned through the link 88 in the manner described the stop 717 1 is cleared of the rojeetions 67 or 68, and in one case the line ock mechanism is released to provide for the insertion of one or more additional letinsertion of a hyphen. In theother case the stop 71-71 is cleared from the projection 68 in order to enable the-carriage to continue its movement to the right, to write within the margin. The final margin stop 60 determines thelinal point of arrest of the carriage to the right, whereas the final line lock stop 58 determines the final or extreme ositionthat the carriage may be moved to in its movement to the left. It will be understood that in the movementof the carriage from left to right the margin stop 59 will cooperate with the stop TL-7 1 on the frame of the machine and the right-hand end of the stop rod 73 normally bearing against the right-hand end plate 2 of the frame will arrest the carriage in its movement to the right. In the movement of the carriage to the left they line lock stop 57 will be brought. into cooperation with the stop 7171, causing the stop rod 73 to move with the carriage from right to left, thus rocking the upright shaft to actuate the line lock mechanism controlled thereby. \Vhen the carriage is returned to the right the spring 7 7 restores the sto J rod 75 to its normal position, withthe right-hand end plate 2 of the frame. If the stop 71-71 shouldbe rocked out of the path of the line be restored to normal position by its spring 77- and .a release of the line lock mechanism would thus be effected.

I have provided two longitudinal )aper fingers 89 and 90, the paper finger 89 emg paper finger 90 being carried by the final margin stop 60. Each of the paper fingers is preferably formed of stifii sheet metal, the body; portion thereof being aperturcd at 91 for the reception of a marginal paper feed roller 92 mounted on the paper linger. Depending ears 93 are formed on each paper linger and extend on opposite sides of the stop to which the. paper finger is connected as shown in Figs. (3 and 7 The cars 93 are apertured to receive heads of screws 94 which are received at their threaded nds 95 in tapped openings in the sides of we stop on which the paper finger is mounted, thus piv'otally connecting each paper finger with the stop by whiehitis carried. liar-h of the stops 58 and G0 is proyided with aforwardly projecting portion 96 to which is secured an upwardly extending thr'eaded stem 97 which projects freely through an enlarged opening '98 in the associate paper finger. A thumb thereof bearing against the right-hand side" carried by the final line lock stop 58, and the ters to complete a word, or provide for the lock stop 57 the stop rod 73 wouldlikewise lltl nut 99 is threaded on the stern above the paper finger and under certain l conditions acts'as a stop to limit its upward movement. A coiled expansion spring 100 surrounds the stem 97 and bears at its lower end against the projection 96 on the stop and at its upper end against the lower side of the ssbciated paper finger. From an inspection 0 3 Fig. 1 it will be understood that when the thumb nut 99 is adjusted to the position shown in this figure. the full pressure of the spring 100 is exerted on the paper. finger to force it" into contact with the'platen or the paper thereon. The thumb nut, however, may be turned down on the stem 97 so asto reduce or entirely eliminate the effect of pressure of the spring on the paper and thus regulate the pressure of the paper feeding device on the paper. The paper finger is cut away or recessed at 101 in order to provide room for the finger piece 61 by which the latch of the stop is controlled. Each of the paper fingers 89 and 90 is oif-set inwardly from its supporting portion, as indicated in Fig. 3' and from an inspection of this figure it Willbe seen that each of'the stops 57 and 59.car-

ries'an- 'outwardly projecting pin 101 that limits the movements of the stops 57 and 58 and 59 and 60 of each pair toward each other and thus properly maintains the paper fingers 89 and 90 out of the paths of the types when the line lock mechanism or the margin stop mechanism is effective.

It will be understood from an inspection of Fig. 1 that each of the paper fingers responding adjustment of the final line lock and final margin stops and the line lock and margin stops 57 and 59 respectively being inside of the final stops must become efi'ective before either of the paperfingers reaches the printing center, no matter what the adjustment of the stops 57 and 59 may be. Otherwise expressed, an adjustment of the final line lock and margin stops likewise adjusts the paper fingers so that the carriage in every instance will be arrested in its movement to the right before the left'hand paper finger can be brought into the path of the types, whereas the machine will be locked out of operation in every instance before the right-hand paper finger can be brought into the path of the types in the movement of the carriage from right to left. This adjustment of the line lock and margin stop to the positions corresponding .to the adjustment of the paper fingers avoids the possibility of the paper fingers being broughtinto the path of the types in their printing movements, and prevents injury to the faces of the ypes.

From an inspection of Figs. 2 and 3 it will be seen that the paper apron is providedwith elongated slots 102 which extend transversely of the platen beneath the platen constitute side. openings which when the platen is in the normal position shown in Fig. 2 enables the operator to see when the rear edge of the paper is approaching the printing line. 'hen the platen is swung back. to the position shown in Fig. 3 the paper is exposed through the sight openings .still farther back and the rear edge of the paper may be seen shortly after. it leaves control of the feed rollers. This enables the .operator t9 determine how far the rear end -.of the sheet is from the printing line at a considerable distance from the printing line.

The line lock and margin stop mechanisms, as such, are claimed in the application hereinbefore referred to and are not claimed herein except in combination with the paper feed mechanism. I

Various changes may be made without d'e parting from the spirit and scope-of my i11- vention. l

v VVhat I claim as new and desirejo secure by Letters Patent,is:

1. In a front-strike typewriting machine, the combination of a platen against the front face of which the types are adapted to strike, line lock mechanism including an ad pendently adjustable final line lock stop, margin stop mechanism including an adjustable margin stop and a separate independently adjustable fin al margin stop, andpaper feeding devices that extend upwardly from and are adjustable concurrently with said finalstops. 1

v 2. In-a front-strike typewriting machine, the combination of a carriage, a swinging platen carried thereby, margin stop mechaand a paper finger -carried by the carriage justable line lock stop and a separate inde-v nism including an adjustable margin stop 'carried by the carriage beneath said platen,

and adjustable longitudinallyof the platen with said margin stop, said paper finger eX- tending upwardly from the margin stop for cooperation with the platen.

3. In a front-strike'typcmriting machine, 4

the combination of a carriage, a swinging platen carried thereby, line lock mechanism including an adj ustable line lock stop=(:ar-' ried by the carriage beneath said platen, and

'a paper finger carriedby the carriage'and adj ustable' longitudinally of the platen with said margin stop, said paper fi'nger extending upwardly from the margin stop for cooperation with the platen.

\In a front-strike typewriti the combination of a carriage, a swinging platen carried thereby, a stop rod carried by ng machine,-

the carriage bencatlrthe platen, line lock incchanisi'n including an adj us'table line lock stop carried by said stop rod. and access to which for the purpose of adjustment may be gained by swinging back the platen, a paper finger carried by and adjustable longitudinally ofthe platen with said line lock stop, said paper finger extending upwardly from the line lock stop for cooperation with the platen, margin stop mechanism including anadjustable marginstop carried ,by said, stop rod and access to which for the purpose of adjustment may be gained by swinging theplaten. back, and a paper finger carried by said margin stop and adjustable with it longit-udinaly of the platen, said last mentioned paper finger also extending upwardly from the margin stop for cooperationwvith the platen.

5. In a t-ypewriting machine, the combination of a platen. feed rollers, a shaft which extends longitudinally of the platen andcarries said feed rollers, independently movable hangers which support said shaft, and a spring-pressed bar cooperative with saidhangers and pivoted transversely intermediate said hangers and intermediate the ends of said bar.-

6. In a typcwrit-ingmachine, the combination of a platen. feed rollers, a shaft which extends longitudinally of the platen and carries said feed rollers, independently movable hangers which support said shaft, a springpressedsupport, and a bar pivoted to said support intermediate said'hangers and cooperative with the hangers to move the feed rollers into contact with the platen or the paperthcreon.

7. In a typewritingcmaehine, thecombination of a platen, feed rollers, a shaft which extends longitudinally of the platen and 'carries said feed rollers, independently movable hangerswhich support said shaft, a

1 hangers which support said shaft, aarock spring-pressed support, a bar pivotcdn n said support intermediate said hangers and cotlperative with the hangers to move the .feedrollers into contactwith the platen or the paper thereon, and a finger piece .operatively connected to said support to move it and thus release the pressure of the bar on the feed rollers to cast off the feed rollers.

S. In a typewritin'g machine, the combination of aplaten, feed rollers, a shaft on which said feed rollers are mounted, independently movable hangers which support -sa id,shaft, and a spring-pressed bar pivoted intermediate its ends and-coiiperative I with. said hangers to force the feed rollers against the platen or thepaper thereon.

9. In a typewriting machine, the combina tion of a. "platen, feed. rollers, a shaft on which said feed rollers are mounted, independently movable hangers which support said shaft, a spring-pressed arm intermediabe saidwhangers, and a bar loosely connectcd with. said spring-pressed arm and with said hangers.

10. In a typewriting machine, the combination of a platen, feed rollers, a shaft on whiehsaid feed rollers are mounted, indc the bar being likewise loosely connected to said hangers,

.11. In a typewriting niachine,"the combination ofa platen, feed rollers, a shaft on which said feed rollers are mounted, independently movable hangers which su port said shaft, a sprin -turned rock sha t, an arm on said rock shaft, said arm being intermediate said hangers, and a bar loosely connected intermediate its ends to said arm, thebar being. likewise loosely connected to said hangers, and a finger piece connected to said spring-turned shaft for turning the shaft against the pressure of the spring and casting off the feedrollers,

12. In a typewriting machine, the combination of a platen, feed rollers, a shaft for said feed rollers, independently movable, hangers which support. said shaft, a rock shatton which said hangers/are loosely su ported, a spring for turning said rock sha t,

I said :arm and hearing at its end portions,

agalnst said hangers.

v13. In a typewrit ng machine, the combination of a platcn,.'fced rollers, a shaft for said feed rollers, independently movable shaft on which said hangers are loosely su ported, a'spring for turning said rock shaft, an arm fixed on the rock shaft, said arm be ing situated between the hangers, a bar loosely connected intermediate, its ends to said arm and hearing at its end portions againstsaidhangcrs, and a finger piece fixed to said rock shaft to turn it against the pressure ofits spring and cast off the feed rollers. I v i i 14. In a typewriting machine, the combination of a platen, feed rollers,.a shaft for said feed rollers, independently. movable hangers which support saidshaft, a rock shaft on which said hangers are loosely supported, a spring for turning said rock shaft,

an arm fixed on the rock shaft, said arm-being situated between the fhangers, a, bar loosely connected intermediate its cndsj'to said arm by a headed screw and an enlarged,"

opening through which the stem of the screw passes to forma loose but positiYc'connection between the arm and bar, and similar connections between each end of the bar and one of said hangers.

15.' In a'typewriting machine, the combination of a platen, feed rollers, a shaft for said feed' rollers, independently movable hangers which. support said shaft, a rock shaft on which said hangers are loosely supported, a spring for turning said rockf shaft, an arm fixed on the rock shaft, said arm being' situated between the hangers, a bar loosely connected intermediate its ends to said arm by a'headed screw and an enlarged opening through which the stem of the screw passes to form a loose but positive connection between the arm and bar, similar connections between each end of the bar and one of said hangers, and a fin er piece connected with said rock shaft fh'r turning it the feed rollers.

16. In a typewriting machine, the come bination of a platen, a shaft that extends longitudinally thereof, feed rollers carried by against the pressure bf its spring to'cast qfi' said shaft, and means for supporting the feed roll shaft and for pressing the feedrollers against the platen, said means comprising a spring-pressed arm that extends pressure of the spring pressed arm is applied to the feed rollers.

17. In a typewriting machine,,the combination of a platen, a carriage, a rack bar fixed to the carriage, margin and line lock mechanism including margin and line lock stops,releasable latches carried by said stops and adapted to engage the rack and to lock the stops against movement on said rack bar,

a pivoted spring-pressed paper finger carried by each of said stops, and adjustable means for each of said paper fingers for regulatingthe normal position of the paper fingers with reference to the platen.

Signed at the borough of Manhattan, city of New York, in the county offNew York, and State of July, A. D. 1909.

I CLIQ B; YAW. Witnesses:

CHARLES E. SMITH,

M. WELLS.

New York, this 29th day of

Images