US1484317A - A gobporation op new yobk - Google Patents

Description

Feb. 19 1924.

' E. E. BARNEY TYPEWRITING MACHINE Filed Jan. 27, 1923 3 Sheets-Sheet 1 INVENTEJS HIS ATTSSNEY WITNESSES WM Feb. 19 1924.

E. E. BARNEY TYPEWRITING MACHINE 1923 3 Sheets-Sheet 2 Filed Jan. 27

WITNESSES A ,Sfi/QLVL HIE ATTORNEY Feb. 19 1924. 1,484,317

. E. E. BARNEY TYPEWRITING MACHINE Filed Jan, 27-, 1923 5 Sheets-Sheet 5 a P m w Lq WITNESSES I INVENTUQ d Mb HIE ATTEIR NEY Patented Feb. 19, 1924.

NHTED STATES PATENT OFFICE EDWIN E. BARNEY, OF NEW RGCHELLE, NEW/V YORK, ASSIGNOB '10 REMINGTON TYPE- "W'RITER COMPANY, 05 ILION, NEW YORK, A CORPORATION OF NEW YORK.

TYPEWRITING MACHINE.

Application filed January 27, 1923.

1 0 CL whom it may concern:

Be it known that I, EDWIN E. BARNEY, citizen of the United States, and resident of New Rochelle, in the county of Westchester and E'Btate of New York, have invented certain new and useful improvements in Typewriting Machines, of which the followmg 1s a specification.

My invention relates to typewrltlng or like machines, and I more particularly to small compact machines of the so-oalled portable class.

The objects of my invention, generally stated, are to improve various features .of such machines, as will hereinafter appear. 7

My invention consists in the features of c nstruction, arrangements of parts, and combinations of devices set forth in the following description and particularly pointee out in the appended claims.

in the accompanying drawings wherein like reference characters indicate corre sponding parts in the different views,

Figure 1 is an enlarged fragmentary detail left-hand elevation of the machine with parts in section, the section being taken on the line 'l."; of Figure 5, looking in the direction of the arrows at said line, and showing the parts as they appear when the machi e is in condition for use.

Figure 2 is a fragmentary detail sectional view taken on the line 22 of Figure l and looking in the direction of the arrow at said line and with parts omitted.

Figure 3 is a like view ofthe same showing the parts disposed as they appear when the line spacing spindle is drawn out to the limit of its movement before the spindle is turned 180, to enable it to be entirely withdrawn from the platen.

Figure & is a detail side view of the line spacing actuating member controlled by the line spacing spindle.

Figure 5 is a view corresponding to Figure but showing the machine inclosed within its carrying case and conditioned for transportation.

Figure 6 is a fragmentary detail front elevation of the left-hand end of the carriage and its support, with parts in section and parts omitted.

Serial No. 615,202.

Figure 7 is a detail detached rear view of the line spacing spindle.

Figure 8 is a detail detached front View of the same.

Figures 9, 10 and 11 are detail sectional views of the means for supporting the platen at the right-hand end thereof; Figure 8 being a section on the line 8-8 of Figure 10 and looking in the direction of the arrows at said line, and Figure 9, a section on line 99 of Figure 8 and looking in the direction of the arrows at said line.

I have shown my invention in the present instance embodied in a Remington portable machine, and from certain aspects the invention may be said to be in the nature of an improvement on features of construction of such machine disclosed in the application of Joseph B. Holden, Sr. No. 547,128,

filed March 27, 1922. It should be understood, however, that the invention is not restricted to embodiment in such machines, but may be employed wherever found available in typewriting or like machines.

Certain features of the construction disclosed in my present application are covered by claims contained in a co-pending application filed by me December 30, 1922, Sr. No. 610,057 the claims of the present application being restricted to features not disclosed in said previously filed case.

In the Remington portable machine,'and as disclosed in said Holden application, the carriage as a whole is mounted on a sup-- port secured to a case shift frame, and a carriage center lock is employed to lock the carriage in a centered position in its line of travel on said support. This is to enable the close fitting cover of the case to be placed over the machine and locked in its closed position. A finger wheel for the platen of such machine is mounted for movement from a compact to an expanded position, and vice versa, and through intermediate devices coacts with the center lock and the carriage release, and will prevent the cover from being placed on the machine unless the machine is properly conditioned to receive it.

By the present invention I provide an improved line spacing mechanism including an actuating finger piece, arm or handle that is movable from a compact position to an expanded position for use, where it may be operated with reater facility. The spindle on which saiii finger piece is mounted coacts with a center lock to maintain it effective or render it ineffective, dependingon ablemachine asisme'cessary to arrivelat an understanding of my invention inits embodimenttherein. Such machine includes a frame ,on which a .carriagesupport 2 is mounted forfore-and-aft case shifting movement onparallel arms, one of the rear set of which isaindicated by the reference numeral 3. The. carriage support includes sheet'metal guidemails 1 and'5 grooved to receive cross rollers cam-1.7 that bear on tracks 8 and 9 formed inthe main sheet metalbody ,portion.;10-of thecarriage. End plates 11 and ,12 of the carriage-are secured to and project. Iupwardly from. the member 10 thereof; one-(11) atthe left-hand end of the carriage, and the other (12) at the righthandend thereof. A.v bearing. member or bushing 13. is seated-in an opening in the lefthandend plate11 and is fixed therein by riveting thebushingat 14, The bushing has :a centralbearingopening-to receive and form a bearing fora. line spacing spindle or shaft,1'5. that.eXtends though said bushing and into the platen head 16, and telescopes in the platen. wThe platen'head is. secured by screwsil 7 to the core 18 ofia platen 1'9,whereas screws 20 secure a linespacing wheelf21 to the platenhead 16. Withinthe core of the platen ismounteda-bearing sleeve 22 in which the inner .end'portionof the spindle 15 receives abearing. The outer end of the Spl11 Cll8;l121-S .fiX6l thereto a finger piece or handle'23, which Iprefer to make in the nature of acrank arm'projecting from the spindle 15 andshaped somewhat as shown, forfreasons which will hereinafter appear. The, spindle, 15 is formed with a spline groove 2%, which, together with other details of construction of the spindle, will be hereinafter more fully referred to. A hub of. an actuatingmeniber 25, shown in detail in Fig. 4-, issupported. on the'spindle 15 intermediate the end plate 11 and the platen head 16,.as shown ill Fig. 6. This head has an inwardly extending projection 26 that ordinarilyextends into the spline groove 24 in the spindle tocaus'ethe spin'dleand hub to turn together andpermit the spindle to move longitudinally a limited distanceindependently of the hub. Projecting from the hub of the member 25 is a downwardly extending crank arm 27 for actuating the line spacing pawl, as will presently appear. This arm 27 :co-acts with a projection28 extending forward from a sheet metal lever or pawlcarrier 29 pivoted on a shouldered pivot screw 30 held on the end plate 11. The upper end of the lever 29 carries a pivot 31 on which line spacing pawl 32 is mounted, the hook-like engaging nose 33 of the pawl being adapted to engage the teeth 34 of the line spacing wheel 21. The line spacing pawl carries an offset integral projection 35 that normally rests on a regulating device '36 pivoted at 37 on the end plate 11. The

adjustment of this regulating device determines the extent of line spacing movement transmitted to the line spacing wheel and the platen, as pointed out in the patent to Herbert E. Bridgwater, No. 1,375,77 2, dated April 16, 1921. The lever 29 which carries the linespacing pawl, has a finger 38 bent to the left and then forwardly therefrom to embrace-the end plate 11 and assist in guiding the arm 29, and also to co-act with the endplate at 39 (see Fig. 1) to limit the movement of the lever 29 to normal position. The arm 29 is lii'nitedin its line spacing movement by an edge 40 of the offset 35 on the line spacing pawl co-acting with a contact edge 41 of the end plate 11. A spring 42 is coiled around the pivot screw 30 and bears at one end againstthe lever 29 to return it tonormal position.

The manner of mounting the left-hand end of the platen on the spindle 1155 enables the platen and spindle to turn each independently of the other; although in the line spacing operation a clockwise motion of the spindle, as the parts are viewed in Fig. 1, effects an anti-clockwise movement of the line spacing wheel and platen. Moreover, as hereinbef ore indicated, the spindle 15 with the attached handle 23, may be moved axially from a compact position with the handle close to the carriage, as shown in dotted lines in Fig. 6, to the expanded position shown in full lines, where the handle maybe operated with greater facility. It will be'se en from an inspection of this figure that when the handle is in the compact dotted line position, it may be received within the close fitting cover of the carrying case, one side wall a of which is indicat- The construction and arrangement of the parts, whereby the spindle 15 is enabled to be shifted from compact to expanded position for use; whereby the spindle may be prevented from being accidentally shifted from said last mentioned position; and whereby when desired the spindle may be manipulated so that it may be detached from the platen and permit the latter to be removed, will now be explained in detail. From what has been said, it will be understood that when the spindle 15 is in either the full or dotted line position shown in Fig. 6, the projection 26 on the line spacing actuating member 25 extends into the groove 24 in the spindle, forming a splined connection between the two, or a connection which causes the two to turn together but enables the spindle to be moved longitudinally independently of said actuating member. So long as the spline projection remains in the groove 24 in the spindle the latter is limited in its turning movement to less than 180 by reason of its operative connection with the line spacing devices. It will be seen that the groove 24 is closed at both ends; at one end by an end n all 43 of the groove and at the other end by a pin 44 fixed in the spindle. To the left of where this pin 44 is located, the spindle is formed with a' circumferential groove 45 that extends entirely around the spindle and provides a laterally extending passage or channel at the inner end of the spline slot 24. On the opposite side of the spindle 15 from that which contains the spline slot or groove 24, is a short longitudinally extending slot 46 of a width sufficient to receive the projection 26 of the member 25, and extending to the right of the channel 45. The outer end of this slot 46 communicates with. the passage 45 and the inner end terminates at the reduced inner or right-hand half of the spindle. In order to dismount or demount the platen it is necessary to entirely remove the spindle 15. To do this, it is necessary to first move the spindle out as far as the limits of the spline groove 24 will permit. This position is shown in Fig. 3, where it w ill be seen that the spindle has been moved longitudinally to the left until the pin 44 strikes the spline projection 26. The said projection is then in register with the cross channel or groove 45 in the spindle and the spindle is now free to be turned independently of the member 25 an unlimited distance. If, at this time, the handle 23 be turned forward through about 180, the short slot 46 will be brought into register with the projection 26. If the spindle then be shifted longitudinally to the left, it may be entirely withdrawn from the platen and from the member 25 and the bushing 13, the projection 26 passing through the slot 46 as the spindle is withdrawn. By reversing these movements, the parts in question may be readily as sembled and operatively connected.

Any suitable means may be employed for detachably mounting the platen at the other end thereof, such, for example as the means disclosed in Figs. 9, 10 and 11, and which will be hereinafter described. These means are shown in my hereinbefore mentioned application filed Dec. 30, 1922, and are not claimed herein.

The various devices not yet referred to, which are afiected by the spindle 15, and by which the spindle is locked against accidental longitudinal. displacement from its position of use, will now be described. It will be seen that the bushing 13 is formed with a transverse slot 47 in the front side thereof and which extends about half-way through the bushing. There is also formed in the spindle 15 a corresponding transverse slot, notch or groove 48 that extends transversely therethrough about half-way at the front side thereof. When the spindle 15 is shifted longitudinally to its position for use, indicated in full lines in Fig. 6, these slots 47 and 48 are in register and are adapted to receive therein a locking latch, member or finger 49, as shown in Figs. 1 and 6. This prevents the spindle from being shifted longitudinally either outwardly or inwardly from the full line position shown in Fig. 6, but does not prevent an oscillation or limited turning movement of the spindle. From an inspection of Fig. 1 is will be seen that the finger 49, where it extends above the center of the spindle 15, slopes forwardly at 50 away from the bottom wall 51 of the slot 48 in the spindle. By reason of this fact a forward swinging motion of the handle 23 from the Fig. 1 position turns the spindle a limited distance in a clock wise direction as seen in this view, and the parts are moved back to normal position without affecting the member 49, or being interfered with by such member.

When the latch 49 is withdrawn from the slot 48 the spindle 15 may be shifted outwardly beyond its position for use, and then turned 180, as hereinbeforeexplained, to withdraw the spindle and dismount the platen, or the spindle may be shifted in the opposite direction to the compact position, shown in dotted lines in Fig. 6. l/Vhen shifted to this last position the full portion of the spindle at its greatest diameter crosses the slot 47 and the finger 49 is adapted to bear against such full portion of the spindle, as indicated in dotted lines in Fig. 5.

In the present instance, I have formed the locking finger as a part of a member, indicated as a whole by the reference nu- 'meral 52, and mounted to turn on a shoul dered nut 53 threaded on the pivot'screw 30 onthe end plate 11. The member 52 isex tended rearwardly where it is provided with a finger piece 54 that projects tothe right, behind the usualcarriage releasing arm 55, .sothat a forward movement of the finger piece 54, from the Fig. lto the Fig. 5, position, carriesthe arm 55 with, it. "The arm- 55 is provided with afinger piece 56, whereby when desired the arm 55 may be moved to releasing position independently of. the finger piece 54 and the member 52 which carries it. The armo55is fixedat its lower end by rivets .5'Zto a sheet "metal angular plate 58 that extends throughout. the length pf the carriage and has a feed rack 59 riveted thereto, at60. The plate or bar 58 has upwardly extending arms 61 pivoted at 62011 the carriage in the usualinanner, and is moved forward to the normal Fig. l posi- ;tion by springs 63.. The bar 58 is limited in its movement toand from normal position by the usual means, not shown in their entirety. In the ;normalFig. 1 position, the teeths64 of the'feed .rackengage a feed .dog At the down stroke of aprinting key or the space key .this, dog is thrown out. of engagement with the feed rackand the holdingdog66 is engaged therewith; the upstroke of the key reversing the movements of the dogs and enabling the carriage to advance one step inthe usual manner.

From the foregoing :it will be understood that when .thefinger piece 54 is, moved forward to release the locking finger 49 from the slot48, it carries with it the carriage release arm or lever 55, as shown in Fig. 2, thereby disengagingthe feed rack, and free ing the carriage from restraint of its escapement mechanism. This forwardmovement of the member 54. also controls the action of a carria-ge center lock, which may be of any suitable. construction; that shown in the present instance being the same as :thelock disclosed in my hereinbefore mentioned copending application, and which will now be described.

A forwardly extending proj eotion 201' arm 67 on the member 52 projects over the free end portion ofa locking member 68, which "is in the nature of a leaf spring anchored at one end by a screw 69. to the body portio n or plate 10 of the carriage. The free endof this spring is bent downwardly to form a locking projection 70 which registers with ,a

.slot 71in thetplate 10. The ,tensionofthe' springfrom which the member .68 is formed is exerted to return said mcmberto and normally maintain it in the elevated position, shown in Figs. 1 and 6. A second ,locking member 72 in the nature of a leaf spring isanchored atone end by a screw; 73 to the bottom of the carriage support. This locking member has an upwardly extending integralz'projeotion 74: which extends through a slot 75 in the carriage support and has to compact position.

oppositely beveledv edges 76 and an,intern1eof themember 72 is exerted to return it to and normally maintain it in the elevated position.

When the operator moves the fingerpiece 5 1 .forwardto the Fig. 2 position as described, the, efi ect'is not only torelease the carriage and withdraw the locking latch 49 from, the slot 48, but also to force the lockingprojectionFQ down into (lo-operative relation with the. companionxlocking member ,72. The carriage at thisztime being freetto travel either. moves under the power of its carriage spring to. the left from an oil?- centered position, or'is pushed to the right from an offiscentered to a centered position, where 'itmay be received within the cover of the carrying case. During this movementofthe carriage the held-down projection 70 will co-actwith one or the'other'of the cam-or inclinededges 7 *6, causing a depression. of the member 7 2 untilthev projectionreaches the locking notch 77 when the member 72 will springflup and bringabout an interlockingengagement ofthe projections 7,0 with the opposite side wallsof the notch .77. This occurs when the carriage is accurately centeredin' its line jofdtravel and locks thecarriage against movement in both directions, or to. either rightor-left.

The ,movements ott he .parts described takeplace as a necessary preliminary to inclosing the machine in its carrying case. Thus, before the case can be closed it-is necessary to move the line spacing handle Beforethis can be done, the fingerpieceb is necessarily ac- ,diate1loeking slot or recess .77. The tension tuated asidescribed to. release the carriage and render..the carriage center lock effective,,at thesame time withdrawing the lockfinger piece :54, thereby locking the member I 52 against return movement from its actuated position, as indicated in Fig. 5. It

'follows, therefore, that the locking projection 70 will be, maintained, indefinitely in its locked position and the carriag will be maintained indefinitely free. from restraint of its escapement mechanism; When free the spindle ,15. and its arm 23 are, again moved to the full line position inFig. 5, the latch 4E9willspring into the locking slot 4-8 in the spindle, which slot at this time registers with the latch. .The movement of the latch into said slot enables the member '52 to move back to the Fig. 1 position, thereby permitting the feed rack to re-engage the feed dog 65, and the projection 70'to be withdrawn from the locking notch 77. The machine is then in condition for use, so far as the parts under consideration are concerned.

It will be understood from what has been said that a removal of the locking latch 49 from the slot 48 in the spindle 15 enables the latter to be moved outwardly beyond the full line position in Fig. 6, and permits the finger piece 23 to be manipulated as hereinbefore described, to entirely withdraw the spindle in order that the platen may be dismounted and removed from the carriage.

The means for dismounting the platen at the other end thereof, and which are shown in Figs. 9 to 11 inclusive, will now be described. The platen head 7 8 is fixed to the right-hand end of the platen by screws 79. The hub of the platen head is formedwith an inwardly projecting spline received in a spline groove 81 of a spindle 82, to

cause the platen and spindle to turn together hut enable the latter to be shifted longitudinally relatively to the platen. The outer end of the spindle has a finger piece or wheel 83 secured thereto. The inner portion of the spindle is received in a bearing sleeve 84 within the core of the platen, and also within the bearing opening in the platen head. The spindle also extends through and receives a bearing in a bushing 85 seated in an opening in the end plate 12 of the carriage, and fixed in place therein by riveting the bushing at 86 (see Fig. 10) over a washer 87, a platen head $8 is adapted to bear.

between the head 89 thereof and the end plate 12, and a straight engaging portion 92 that is received in the slot 88 in the bushing. This engaging portion 92 is adapted to be seated in one or the other of two circumferential transverse grooves 93 and 94 in the spindle 82, and prevent an accidental longitudinal displacement of the spindle in either direction. The force of the spring of the detent is exerted to retain the locking portion 92 thereof in the groove 98 or 94 in which it may be seated. To release the detent, the upper end is moved rearwardly, or to the left as the parts appear in Fig. 9, removing the locking member 92 from the groove 93 or 94 in which it is seated. While the ,detent is thus held the spinainst which the hub of the The spindle is thus fixed to turn with the platen dle is moved slightly to bring an'ungrooved portion thereof opposite the locking member 92. The detent may then be released and the spindle moved longitudinally until the other groovereaches the detent, when the latter will snap into place in such groove and prevent further longitudinal movement of the spindle. W hen the spindle 82 and finger wheel 83 are in the expanded or full line position for use, as shown in Fig. 11, the spindle is interposed in the path of the side wall 5 of the cover, shown in dotted lines, and will prevent the cover from being placed in position to inclose the machine. VVhen, however, thefinger wheel and spindle 82 are moved to the contracted or compact dotted line position shown in Fig. .6, they may be received within the cover and no longer form an obstruction that prevents a closing of the cover.

By releasing the detent 90 and entirely withdrawing the spindle 82 from the platen and from its support in the end plate 12, the platen is relieved from all support at the right-hand end and may be removed from the carriage after the left-hand spindle has been removed in the manner hereinbefore described.

The co-axially arranged spindles 82 and 15 may thus be caused to support the platen in place; may be shifted away from each other from contracted, or compact positions to expanded positlons for use, where they prevent the machine from being inclosed within its carrying case until properly conditioned for this purpose; may be locked against accidental displacement in either direction from their positions of use; and may, when desired, be shifted outwardly beyond said positions to disconnect them from the platen and permit a removal of the latter from the machine.

From an inspection of Figs. 1, 5 and 6, it will be understood that the rear surface of the line spacing handle 23 with which the fingers of the operator co-act, is in a plane at an angle of approximately 45 to the line of travel of the carriage; the handle is thus shaped so that the operator may conveniently return the carriageto the right and eflect a line spacing of the platen by one movement of the hand; such movement being exerted to the right on the handle as Well as forwardly thereon.

Various changes may be made without departing from my invention as it is defined in the accompanying claims and certain features thereof may be employed without others.

What I claim as new and desire to secure by Letters Patent is i 1. In a typewriting or like machine, the combination of a platen, a spindle adapted to telescope in the platen and to be moved from a contracted position to an expanded position for use and having a transverse notch 'ortgroovei therein, a finger piece mounted on sa;i d..-spindle," a locking latch adapted to enter: said notch and hold'the spindle against longitudinal displacement in either direction, atline spacingpawl, and means controlledfbyia. turning movement of said spindle for. actuating'said'pawl. 2; In arty pewritmg or like machine, the

combination'of; a platen, a spindleadapted to telescope :inLthe platenv and to be moved from a contractediposition' to an expanded position" for use i and. having a transverse notch or groove therein, a finger piece mounted on said spindle,'a lockinglatch adapted to yyond' its points :of limited oscillationwhen entersridlngttih :and hold'the spindle against longitudinal displacement in :either "direct'ion; acrank arinhaving a splined" connection with l's'aidispindle, at. line spacing pawl,

actuating said pawl;

' 3:111 'atyp'ewriting or like machine, the combination of platen, an T oscillatory 'line spacing spindle oniwhich' the platen-isadapt ed toturn, 'saidi'spindie being sliiftable longiand: meansl'controlled ibyisaidi crank arm for tudinally; from. a contracted I position to "an expanded: position for; use, and means for limiting the? extent: of oscillation of said spindle when it is in position-for use and for permitting thetspindle to :be turned bewhen it is in position f01*.i1se.'.a11d"ior permitting the, spindle. to beturnedr beyond its pointsofilimited Toscillationwhen. it is moved lbngitudinal ly beyond its positionfor use, and" only when. thus'turned'permitting a withdrawal ofrthe ,7 spindlev from the platen to enable, the a latter .-to be demounted', and releasable means for holding said "spindle against accidental longitudinal displacement from its position for-:use.

5; In aftypew-ritingiior like machine, the combination of a, platn,-. a spindleadaptedto telescope in the platen and toibe'imoved from a, contracted"; position; to can expandedcp'osition: for us'eandrhaving. aitransverse' notch orcgroove therein, a finger piece mounted "on said" spindle; 'a lockingt latch adapted to enter saidnotchjand hold theispindletagainst longitudinal displacement in I either idirectidn, a ne: nan-t means-cont o ed by a et ot eidsp ri le foractua 1 a; cai*riase t r o i ac ed .sd. m m er y rendered :efieetir combination of a platen, a spindle adapted to telescope inthe platen and to'be moved from a contracted position to an expanded position for use and. having a transverse notch or groove therein, a finger piece mounted on said spindle, a locking latch'adanted to enter said notch and hold the spindle against longitudinal displacement in either direction, a line spacing pawl, means controlledhy' a turning movement of said spindle for actuating said pawl, and a hand actuated means for releasing said locking latch and? simultaneously freeing thecarriage from restraint ofitsescapement mechanism. '7. In a typewritingor like machine, the

combination of a platen, a spindle adapted" to telescope in the platen and to' be' moved from a contracte'dposition to an expanded position for use and having atransverse notch or groove therein, a finger piece mounted" on said spindle, a locking latch adaptedFto enter said notch andh'old the spindle against longitudinal displacement in either direction, a 'linesp'a'cing f pawl, means controlledby'a turning movement of saidispindle for actuating said pawl, a carriage center lock comprising a hand actuated: member by which the center lock is rendered effective and when moved for. this purpose releases'the said locking latch to permit the spindle to be'movedT-lon'gitudinally, and m'eanskby which'the carriage is -treed from restraint of. its' escapement mechanism when said hand actuated'member is moved to release thelocking latch.

'8. In 'a typewriting or like machine, the combination of a platen,an oscillatory line spacing spindle on which" the platen is adapted to turn, said spindle heingshiftable longitudinally from a contracted position to an expanded positionforjuse, means forumiting the extent of oscillation ots'aidspindle when it is in position 'fOlIllSQ and for permitting the spindle to be turned'beyondits points of limited oscillation when? it is moved longitudinally beyond its position 'for "use and, only when 'thus turned permitting-fa ion mitting the spindle to be turned beyond its points of limited oscillation when it is moved longitudinally beyond its position for use and only when thus turned permitting a withdrawal of the spindle from the platen to enable the latter to be demounted, a hand releasable locking latch for holding said line spacing spindle against accidental longitudinal displacement from its expanded position for use, and a carriage center lock whose effectiveness and inefiectiveness is controlled by the actuation of said locking latch.

10. In a typewriting or like machine, the combination of a platen, an oscillatory line spacing spindle on which the platen is adapted to turn, said spindle being shiftable longitudinally from a contracted position to an expanded position for use, means for limiting the extent of oscillation of saidspindle when it is in position for use and for permitting the spindle to be turned beyond its points of limited oscillation when it is moved longitudinally beyond its position for use and only when thus turned permitting a withdrawal of the spindle from the platen to enable the latter to be de mounted, a hand releasable locking latch for holding said line spacing spindle against accidendal longitudinal displacement from its expanded position for use, and means controlled by the act of releasing said looking latch for freeing the carriage from restraint of its escapement mechanism.

11. In a typewriting or like machine, the combination of a platen, an oscillatory line spacing spindle on which the platen is adapted to turn, said spindle being shift able longitudinally from a contracted posis tion to an expanded position for use, means for limiting the extent of oscillation of said spindle when it is in position for use and for permitting the spindle to be turned be yond its points of limited oscillation when it is moved longitudinally beyond its position for use and only when thus turned permitting a withdrawal of the spindle from the platen to enable the latter to be demounted, a hand releasable locking latch "for holding said line spacing spindle against accidental longitudinal displacement from its expanded position for use, a carriage lock for locking it in centered position in its line of travel, and means controlled by .the act of releasing said locking latch. for

moved longitudinally to a given point, and releasable means for preventing said spindle from being accidentally moved longitudinally to said given point.

13. In a typewriting or like machine, the combination of a platen, a spindle therefor, means for preventing the snindle from being withdrawn from the platen except at one position to which the spindle may be turned, means for preventing the spindle from being turned to such position until it is first moved longitudinally to a given point, releasable means for preventing said spindle from being accidentally moved longitudinally to said givn point, a carriage lock for locking the carriage in a centered position in its line of travel, and means controlled by said releasable means for controlling the effectiveness of said carriage lock.

14. In atypewriting or like machine, the combination of a platen, a spindle therefor, means for preventing the spindle from being withdrawn from the platen except at one position to which the spindle may be turned, means for preventing the spindle from being turned to such position until it is first moved longitudinally to a given point, re leasable means for preventing said spindle from being accidentally moved longitudinally to said given point, and means controlled by said releasable means for freeing the carriage from restrain of its escapement mechanism.

15. In a typewriting or like machine, the combination of a platen, a spindle therefor, means for preventing the spindle from being withdrawn from the platen except at one position to which the spindle may be turned, means for preventing the spindle from being turned to such position until it is first moved longitudinally to a given point, releasable means for preventing said spindle from being accidentally moved longitudinally to said given point, a carriage lock for locking the carriage in a centered position in its line of travel, and means controlled by said releasable means for rendering the carriage lock efi'ective when said releasable means are released and for simultaneously freeing the carriage from restraint of its escapement mechanism.

16. In a typewriting or like machine, the combination of a longitudinally shiftable and turnable line spacing spindle having in one of its sides a longitudinally extending groove with closed ends and lateral openings at one point in its length and also having in another side a longitudinally extending groove open at one end and having lateral openings which communicate with the lateral openings in the first mentioned groove, and a line spacing pawl actuating member, supported on said spindle and having a spline projection that may be received ill) in said grooves and lateral openings de- Signed at the borough of Manhattan, city pending on the relative posltion the of NewYork, in the county o fNew York 1 spindle to'saidactuating member, whereby 11d State ofN'e York,"this"25th day of With the spindle in one position it and'the January, A. D. 1923. actuating member are connected to turn to- EDWIN BARNEY. getherand in another position of the spindle Witnesses it 'may turn. relatively to said actuating LILL'IAN Nnpsolq, member and be detached therefrom. E. M; WE S.

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