US2064154A

US2064154A - Typewriting and like machine

Info

Publication number: US2064154A
Application number: US739384A
Authority: US
Inventors: Elbert S Dodge; Wilfred L Philbin
Original assignee: Remington Rand Inc
Current assignee: Remington Rand Inc
Priority date: 1934-08-11
Filing date: 1934-08-11
Publication date: 1936-12-15
Anticipated expiration: 1953-12-15
Also published as: DE672614C; FR794963A; GB457862A

Description

Dec. 15, 1936. E s, DODGE ET AL 2,064,154

TYPEWRITING AND (LIKE MACHINE Filed Aug. 11, 1954 9 'sheets-sheet 1 so 3952 22 23 /05 z 24 2/ 5 w02@ /5 .2H/- n 26 l 'iv-1 -mf /55 ATTRNEY fnec.' 15, 1936. E. s DODGEy ET' AL 2,064,154

TYPEWRITING AND LIKE MACHINE V:Filed Aug. l1, 1934 9 Sheel',S-Shee1'l 2 A T TONEV Dec. 15,1936. E. s. DODG ET AL 2,064,154

TYPEWRITING AND LIKE MACI'INI'Z Filed Aug. 1l, 1934 9 Sheets-Sheet 3 ELBERT 5. DODGE W/LF/PED L. PH/LB/N WITNESSES E. s. DoDE Er A1.

TYPEWRITING AND LIKE MACHINE Dec. 15, 1936.

AFiled Aug. 11, 1934 9 Sheets-Sheet 4 gmc/WMS ELBERT 5.00065 @Hofman/1 Dec. 15, 1936. E. s. DoDE ET Al.

TYPEWRITING AND LIKE MACHINE 9 Sheets-Sheef 5 Filed Aug. 11,

INVENTORS ELBERT S. PODGE WMF/PED L. lJr//LB/N WITNESSES ATTORNEY Dec. 15, 1936.

E. s. DODGE ET A1.

TYPEWRITING AND LIKE MACHINE' 9 Sheets-Sheet 6 Filed`Aug. 11, 1934 INVENTORS ZBEFT S. 00065 ATTORNEY Dec. 15, 1936. E. s. DODGE ET A1. 2,064,154

TYPEWRITING AND LIKE MACHINE Filed Aug. 11, 1954 9 sheets-sheet 'r NVENTORS vELBERT S. DODGE W/LFRED L. PHI/ BIN ATTORNEY De.15,1936. 'ESD'ODGE ETAL 2,064,154

TYPEWRITING AND LIKE MACH-INE Filed Aug. 1l, 1934 9 Sheets-Sheei'I 8 WITNESSES ATTORNEY DeC- 15, 1936- E. s. DODGE ET Al..

'YTYPEWRITING AND LIKE MACHINE Filed AugQ 11, 1934 9 sheets-sheet 9 @NN SNN lNyENTRs ,0.P 5L. vY TD E mm N BF R LH. O EW TTI. A

mmf/siii@ Patented Dec. 1,5, 1936 UNITED STATES PATENT OFFICE Application August 11, 1934, Serial No. 739,384

51 Claims.

Our invention relates to typewriting and like machines and more` particularly to tabulator mechanism and features associated therewith.

-One of the main objects of -our invention, generally stated, is to provide emcient automatically operating, power-actuated, tabulator mechanism.

Another object of the invention is to provide efflcient means for automatically locking printing kys against actuation when the automatic tab.- ulator mechanism is in use.

A further object of Vtheinvention is to provide simple and effective means that may be set at will to render the automatic, power actuated, tabulator mechanism inoperative.

Another object of the invention is to provide a column jumping mechanism and means for automatically rendering the automatically operating tabulator mechanism ineective `when' said column jumping mechanism is actuated. n A further object of the invention is to provide 4denominational selecting tabulator mechanism that may `be operated without being interfered with by the Tautomatically operating tabulator mechanism.

A further object of the invention is to provide means for automatically rendering the automatically operating tabulator mechanism ineective when the carriage is released with the aid of on oi the usual carriage release keys.

A still further object of the invention is to render the automatically operating tabulator mechanism inoperative when the carriage is being returned by its power actuated carriage return mechanism.

Another object of the invention is to provide mechanism of the character indicated above which may be incorporated in a machine having two relatively movable frame sections and which will not interfere with such relative movement ,m of the sections and which is so constructed that cooperative parts of the mechanism will be brought into cooperative relation when the frame sections are brought together.

Another object of the invention is to so .con- 45 struct the foregoing features that they may be readily embodied in machines now on the market without materially modifying the existent structural features of such machines.

To the above and other ends which will herein' erence characters represent corresponding parts in the different views- Fig. l is a fragmentary, vertical, fore and aft sectional view of a portion of the machine showing features of the present invention embodied therein, the view showing the parts in normal position.

Fig. 2 is .a like view of the same with parts omitted and showing the automatically operatingV tabulator mechanism as it appears in the actuated position.

Fig. 3 is a skeletonized, detail perspective view showing the automatically operating control mechanism for the tabulatorand key lock.

Fig. 4 is a detail, fragmentary front view of a portion of the means for rendering the automatically operating tabulator mechanism and key lock l controlled therefrom inoperative.

Fig. 5 is a detail perspective view of a portion of thepower actuated means for operating the tabulator mechanism.

Fig. 6 is an enlarged, detail, vertical transverse sectional view showing some of the parts disclosed in Fig. 5; the section being taken on the line 6 6 r of Fig. 1 and looking in the direction of the arrows at said line.

Fig. 7 is an enlarged, detail, fragmentary, perspective view with parts in section of one form of key locking means and some ofthe associated parts. f

Fig. 8 shows in perspective several controlling cams of different lengths for controlling the operation of the automatic tabulator and key lock.

Fig. 9 is a detail, bottom plan view of one of said controlling cams shown attached to its supporting bar.

Fig. 10 is a detail, fragmentary, perspective view of the supporting bar on which the controlling cams are mounted.

Fig. 11 is a fragmentary, diagrammatic side view showing portions of the two frame sections and some of the parts carried thereby.

Fig. 12 is an enlarged, detail, side view of the actuating cam for the automatic tabulator mechanism and some of the associated parts.

Fig. 13 is a detail, fragmentary, side view with parts in section showing a different form of key locking means from that represented in Fig. 7.

Fig. 14 is a detail, fragmentary, perspective view of part of the mechanism.

. Fig. 15 is a detail, fragmentary side view of parts of the structure shown in Fig. 14. Y Fig. 16 is a detail, fragmentary, perspective view of a part of the automatic tabulator mechanism Fig. 21 is a like view of a portion of the same, i

showing the parts in normal position.-

The invention is shown embodied in the present instance in a Remington electrified bookkeeping machine in which the various features of the invention may be readily incorporated without materially modifying existing structural features of said machine. It should be understood, however, that the invention is not restricted to its embodiment in such machine but may be employed in typewriting and like machines generally, wherever found available. It will be understood that the Remington electrified bookkeeping machine includes computing mechanism, but for the purpose of the present invention it is unnecessar to illustrate such computing mechanism.

In the accompanying drawings only so much of the Remington electrified bookkeeping machine is disclosed as is ne'essary to arrive at an understanding of the present invention in its embodiment therein.

Referring more particularly to Figs. 1 and 11 it will be seen that the machine frame comprises a lower section I5 and an .upper section I6 hinged together at the rear of the machine as indicated at I1. This is to afford a relative movement between the sections, as indicated in dotted lines in Fig. 11, in order to give ready access to parts containedl within the frame. Some of such parts are carried by the upper frame section and others are carried by the lower frame section. Some of such parts in the two frame sections coact with each other and they are brought into cooperative relation when the frame sections are brought together, as indicated in Fig. 11. This applies to some of the parts of the present invention as Well as other parts, as will hereinafter appear.

'I'he usual carriage I8 (Fig. 1) which carries a platen I9 is carried by the upper frame section I6 and is supported on roller bearings to travel from side-to-side of the machine over the top plate 20.

'Ihe bearing rollers at the rear of the carriage are shown at 2|. The carriage is advanced by the usual spring drum (not shown) under control of its escapement mechanism. 'I'he escapement mechanism includes a feed rack 22 carried by arms 23 which are pivoted at 24 to the rear cross bar 25 of the carriage. 'I'his rack meshes with a feed pinion 26 operatively connected in the usual manner with an escapement wheel, not shown. When the feed rack is lifted and disengaged from ,its pinion 26 the carriage is free to travel in the direction of its feed. At a tabulating operation that is what takes place, the carriage moving until -it is arrested by coactingtabulator stops as will presently appear. Y

Ir the present machine various parts are driven from a continuously operating electric motor, the shaft 21 of which is shown in Fig. 11. Said shaft carries a driving pulley 28 with the usual belt, pulley and geared connections therefrom to various parts of the machine including a continuously rotating shaft 29, as disclosed for example in the application of Frederick A. Hart Serial No. 634,670. This shaft 29 is operative for other purposes in said Remington machine but in the present machine we utilize it for the purposes of our present invention.

Referring more specifically to Figs. 1, 2, 5, 6 and 12 of the drawings, it will be seen that the driving shaft 29 which is supported in bearings in the side plates of the lower or base frame section I5, has a cam 30 loosely mounted thereon near the lefthand end of said shaft. To the right of this cam and adjacent thereto is a locking wheel 3l fixed on the shaft 29 to turn therewith. 'I'he periphery of the locking wheel is provided with teeth 32 and 'interdental spaces 33. A locking pawl 34 is pivoted at 35 on the right-hand side of the cam 33 and the engaging end of the locking pawl is adapted to enter any of the interdental spaces 33 and thus lock the cam to turn with the continuously rotating shaft 29. A rod 33 (Fig. 12) is pivoted to one end of the pawl 34 and extends at its free end through an opening in a bracket arm 31 secured to the cam 33. An expansion spring 33 surrounds the rod 36 and bears at one end against the bracket arm 31 and bears at its other end against a shoul der on the rod 33. The force of the spring 33 is thus exerted to move the engaging end of the locking pawl 34 into an interdental space 33 in the locking wheel and connect the cam 30 to turn with the continuously rotating driving shaft 29.

The pawl 34 is normally maintained disconnected from the locking wheel by a trip arm 39 which engages a projection 43 on the pawl 34, thus holding the pawl against the force of its spring 33, as shown in Fig. 12.

A second trip arm 4I is formed integral with the arm 39 so that the connected arms 39 and 4I' constitute a bell crank lever pivoted at 42 and spring pressed to the normal Fig-.112 position by a contractile spring 43. It will be understood that when the double trip 39, 4I is moved from the Fig. 1 to the Fig. 2 position the cam 33 isconnected to turn with the driving shaft 29 for approximately one quarter of a revolution when the cam is disengaged from the shaft by the interposed trip arm 4I coacting with the pawl 34 and disengaging it from the locking wheel 3l. This movement of the cam 30 is eective to project a tabulator stop, release the carriage from control of its Vescapement mechanism and to -actuate the key locking means, as will hereinafter appear.

In order to prevent the reaction of the pawl spring 33 from turning the loosely mounted cam 33 backward from its normal position shown in Fig. 12 and from its actuated position shown in Fig. 2, there is provided special means which will now be described.

A second cam 44 isy fixedly connected toiand' with the high spot 43 and overcomes the tendtuated position shown in Fig. 2. The detent roller 43 is carried at one end of an angular lever 43 vpivoted at 30 and connected to a contractile spring 5| by which the detent roller pressed against the cam 44.

The parts which are actuated by cam 30 are constructed as follows.

. A roller 52 bears against the periphery of the cam 30 and is carried by an. upright arm 53 pivoted at its lower end at 54. The upper end of the arm 53 is pivoted at 55 to a rearwardly extending link 56. Said link is bifurcated at its rear end as indicated at 51, to straddle a headed pin 58 which projects laterally from an upright arm 59. This arm is pivoted.` at its lower end on a p ivot rod 60 and has a rearwardly extending arm 6| to which a contractile spring 62 is connected, the upper end of said spring being anchored on a rod 63. The upper end of theA arm '59 is fixedly connected by a cross rod 64 (see Figs. 5 and 6) to an arm 65 which kshlikewise pivoted on the pivot rod 60 and has a upwardly and rearwardly extending end 66 tvat is in register with a horizontally movable actuating slide 61. This slide is slotted at 68 toi receive parallel rods 69 on which the slide is supported for movement fore and'aft of the machine in a guide frame 10 having front and rear guide combs 1l and 12 in guide slots in which the slide 61 is received. The frame 10 and the rods 69 are connected with and supported by two arms 13 pivoted at 14 to the sides of a tabulator frame 15 that is connected tothe vupper frame section I6. A contractile spring 16 is connected at one end to an arm 13 and is anchored'at .the other end to a. pin 11 on the tabulator frame.

One of these springs may be connected to each arm 13 and the force thereof is exerted to norciated arm in contact with the companion pin 11 which constitutes a stop therefor.

It should be understood that the a'rm 65, except as hereinbefore indicated, is similar to the remainder of a series of such arms- 65a, each of which coacts with a slide 61a that corresponds l to the slide 61. However, the right-hand arm 65b 'while constructed like the arms 65B operates for a somewhat diiferent purpose as will hereinafter appear.

It will be understood from this construction that if the actuating arm 65 or any corresponding arms 65a or 65h should happen to be in the actuated vposition when the upper frame section I6 is moved down into contact with the lower frame section the corresponding slide 61 or 61a will contact with such actuated arm and hold the frame 10 against the force of the springs 16, thereby changing the normal relation-of said frame, vand the parts carried thereby, to the frame section I6. As soon, however, as the actuated yarm 65, 65EL or 65b is withdrawn and returned to normal position, the springs 16 will cause the frame 10 and t-he parts carried thereby to be lowered and assume their normal rela'- end of a tabulator stop actuating lever 19 which t is, or may be, one of a series of such levers usually employed, say, that one at the left-hand of the series which ordinarily actuates the lowest denominational stop. This lever is pivoted intermediate its ends-as indicated at (Fig. 1), in the tabulator frame 15 and is returned to its normal position by the usual spring 8| associated therewith. The upper end of this lever is received in a notch 82 in a tabulator stop 83 mounted in the usual manner to slide fore and aft of theL machine in the tabulator frame.

. The remainder of the arms 65a, their companion slides 61, stop levers 19 and stops 83 may be actuated by any suitable means, such for example as by the power actuated means disclosed in the previously mentioned application of Frederick A. Hart, 'Serial No. 634,670.

When the tabulator stop 83 controlled by the cam 3D is projected to eiective position, as shown in Fig. 2, it is interjected in the path of the next oncoming column stop 84. The column stops are adjustable `to different positions along a column stop bar 85 in the usual manner to determine the columnar positions of arrest of the carriage. 'Ihe column stop bar is connected near its ends to bracket arms 86 secured at their forward ends to the back rail orcross bar 25 of the carriage. y

The means by which the power driven cam 30 leased from control of its escapement mechanism will now be described.

Secured to and beneath the column stop bar 85 is a channel bar 81 that preferably extends l is controlled and by which the carriage is rel substantially throughout the length of the column stop bar. As shown in Fig. 10` this channel bar 81 is secured to the column stop bar 85 by headed clamping screws 88 and has a limited lengthwise adjustment on said stop bar-due to the elongated slots 88a through which the stems ofthe screws 88 pass. The channel bar is tapped transversely at 89 at letter space intervals substantially throughout the length ythereoffor attachment at different points in its length of one or more controlling cams or contact blocks or devices 90, shown in detail in Figs. 8 andk 9. The bar 81 has a longitudinally extending groove the upper side thereof which is `adapted to be 40 or recess 9| in thev under side thereof which,

extends substantially throughout the lengthl of the bar. Each vblock 90 has a projection 92 on4 on the bar 81. Each block 90 also has one vor more transverse yopenings 93 therethrough for the passage of the stems of headed screws 94 (see Figs. 3 and 9) which are received in certain of the tapped vopenings 89 depending on the position where each block 98 is to be located along the bar. 81. `Each'opening. 93 isrcoun'teri sunk at the lower face of the block, as indicated at 95 in Fig. 9, toreceive` the headof the corn-f.

panion screw 94. `'lhe'advancing end Aof each block 90 has a .transversebevel or cam facef96 thereon that terminates at its high point in a, dwell 91 formed by the entirerear side ofthe block, for purposes which willf hereinafter ap.- pear. It will be understood from what hasV been pointed out that the length of each block 98 determines the lengtlrof the dwellfthereon. The opposite end of each cam block has a second cam face 96a' thereon that extends at .right vangles to the cam face 96 on the other en'd of the block,

and the purpose of which will hereinafter Vap-v pear.

l The function of thse @am vbricks. snwiilkbestf be understood by a consideration of Fig. 3 fromm` which it will be seen that a trip lever 98 has'ayo contact end 99 that normally vextends intoA the path of the blocks'90, and when the cam facey 96 on'the front end of y one of the blocks engages the end 99 of the 'lever the latter will be shiftedy bodily towards the rear ofthe machine. This 15 movement of the lever 98 is brought about due to the manner in which the lever is mounted, which will now be described.

The lever 98 is pivoted intermediate its ends on a headed pivot which is carried by a sheet metal frame designated as a whole by the reference numeral |02. This frame has depending ears |03 by which it is pivoted at |04 to a bracket |05 secured by screws |08 to the top plate 20 of the machine. The left-hand end portion of the trip lever 98 has a depending portion |01 that is pressed down into contact with an arm |08 by a light spring |09. This spring is coiled about a screw stud 0 on the frame |02 and bears at one end against said frame and at the other end bears down against a stud 98 carried by the lever 98. The right-hand end of the trip lever 98 coacts with an arm which limits the counter-clockwise movement of the lever 98 on its pivot |0| under the action of the spring' |09. Referring more particularlyZ to Figs. 1 and 2 it will besee'n that an adjustable screw stop |05a is carried by an arm on the bracket |05 and coacts with the frame |02 to limit the clockwise movement of the latter around its pivots |04 under the reactive force of a contractile returning spring |02,

. The action of a cam 96 exerts a rearwardly directed force on the lever 98 and it, together with the frame |02 on which` it is mounted, is turned towards the rear of the machine around the pivots |04 and against the force of the returning spring l02. The result of this is .to effcct a downward movement of a rearwardly extending `arm ||2 fixed on the frame |02.v This movement brings about a connection of the cam 30 to its continuously rotating driving shaft 29 and the associatedtabulator stop 83 will be power driven to operative position as will now be described.

The rear end of the arm ||2 has a contact shoe ||3 that overlies the upper free end of a downwardly extending two-part rod ||4. lower end of this rod coacts with one arm I5 of a sheet metal releasing member pivotally supported on the pivot rod 80 and having a forwardly extending arm ||8 thatextends beneath an arm ||1 of the trip 3 9, 4|. It follows that when the rod 4 is depressed as described, the

trip

39, 4| will be turned against the force of its spring `43 to the Fig. 2 position. This results in releasing the trip arm 39 from the pawl 34 enabling the pawl to engage the locking wheel "l and causing the cam 30 to turn with its shaft 29 to project the associated tabulator stop 83. as shown in Fig. 2. The release of the trip arm ."9 resulted in interposing the other trip arm 4| in the path of the pawl 34 so that when the cam 30 reaches the Fig. 2 position the pawl 34 will be automatically disengaged and the projected tabulator stop 83 will be held in its projected position.

y The length of time that the projected stop 83 is held in such position is determined by the length of the dwell 91 on the controlling cam 90 by which the automatic actuation of the stop is brought about. Thus, if a relatively long tabulating jump of the carriage is to be provided,- then a proportionately long cam block 90 is provided. If a relatively short tabulating jump of the carriage is to be provided, then a relatively short cam block 90 will be brought into action. In short, the length of time that the

trip device

39, 4| is maintained in the actuated position shown in Fig. 2

A is determined by the length of time that the lever The 98 is on the dwell 91 of a. controlling cam 90, and a cam block with the requisite length of d'well to accord with the extent of travel of the carriage is employed in each instance.

When a controlling cam block 90 has passed the control lever 98, said lever, the frame |02 which carries it and the parts controlled thereby are returned by their respective returning springs to normal position shown in Fig. 1. This is brought about by the withdrawal of the trip arm 4| from engagement with the pawl 34, enabling it to reengage the locking wheel 3| and complete the cycle of the cam 30 where it is arrested by the trip arm 39 again engaging the pawl 34 and releasing it.

It will be understood, of course, that the set-A -up of the column stops 84 will accord with "the In other words that each set-up of the cams 90. column stop 84 will be set to accord with the setting of the associated cam 90 so that after the cam 30 has been connected to the shaft 29 and projects its stop 83 this .condition will maintain as long as the control lever 98 rides on the dwell 91 of the active cam 90. Therefore the associated column stop 84 should be set so as to coact with the cam controlled projected stop 83 at about the time the control lever 98 rides off the rear end of the dwell 91 of the active cam 90. Therefore, the carriage will be arrested by the stop 83 controlled by the cam 30 and the stop 84 associated with the active cam 90 before said stop 83 is withdrawn and also before the feed rack 22 is reengaged with its feed pinion during the completion of the cycling of the' cam 30, as will presently appear.

In the return movement of the carriage to the right the cam faces`96a on the blocks 90 will successively engage the controlling lever 98 and turn itaround its pivot |0| against the force of the spring |09. At this time the frame |02 will not be rocked on its pivots |04 and the automatic control of thetabulator will not be effected.

We prefer to employ an adjustable screw stop I1 (Figs. 1 and 2) carried by a fixed supporting plate a. to coact with and limit the return move- .ment of the Aarm ||1 and, the trip member of which it forms a part.

Of course it will be understood that when the tabulator stop 83 controlled by the cam 30 is automatically projected to effective position it is necessary to free the carriage from control of its es- ]capement mechanism. The means by which this passes through a longitudinally extending' slot |23 in an upright link |24. The lower end of this link is pivoted at |25 -to a crank arm |26 flxed on a rock shaft |21. There is a second crank arm |28 on this shaft which is pivoted at |29 toan upwardly and rearwardly extending link |30, the upper end of which is pivoted at |3| to a carriage releasing device |32. This releasing device |32 is pivotally supported at |33 on a bracket secured to the top plate 20 of the machine and has a contact shoe |34which underlies the feed rack 22. When, therefore, the tabulator stop 83 or any of the like stops is projected to operative position, shown in Fig. 2, the universal bar ||8 will be actuated and rock the releasing device |32 through the intermediate connection to elevate the feed rack 22 and dlsengage it from the feed pinion 26. This frees the carriage from control of its escapement mechanism and under the operation of the automatic tabulator mechanism the carriage will be maintained free until the active control cam block 90 passes the control lever 98 and the carriage is arrested by the c0- acting tabulator stops. `After this the cam 30 completes its cycle and the parts are restored to the normal Fig. 1 position, the feed rack 22 'reengaging the feed pinion 26.

We have provided means whereby the automatically operating tabulator mechanism may at will be rendered inoperative and maintained inoperative as long as desired. This mechanism will now be described. f

Ihe link |38 carries a laterally projecting stud |44 over which extends the rear end of a lever |45. Said lever is pivotally supported intermediate its ends, as indicated at |46, on a stud that projects from the top of the usual control box |41 of the carriage return mechanism located at the left-hand side of the machine. 'I'he forward end portion of the lever |45 is guided in a slot |48 of a fixed guide plate |49 and is held in thelower end of said slot by a spring |50 when the tabulator mechanism is functioning automatically. Should the operator desire to render the automatic tabulator mechanism inoperative it is merely necessary to lift the forward end of the lever |45 with the `aid of the finger piece |5| and then deflect the lever to the right and seat it in the elevated locking notch |52 in the guide plate, as shown in dotted lines in Fig. 4. This results in moving the link |38 downward thereby rocking the shaft 35 and As a consequence the control lever 98 will be rocked around its pivot thus carrying the upper end 99 of said lever down out of the path of the cam blocks 90 and the automatic tabulator mechanism will thus be rendered and maintained inoperative.

We also have included our above described automatically operating tabulator' mechanism in combination with a power actuated carriage return mechanism of the same general character as that disclosed in the application of Frederick A.

Hart, Serial No. 538,725 and have provided automatically operating means for rendering the tab ulating mechanism inoperative when the carriage return mechanism is functioning. Such mechanism will now be described, it being understood that only so much of the carriage -return mechanism is shown as is necessary to illustrate our present invention in combination'therewith.

Referring more particularly to Fig, l, it will be seen that the carriage carries a rack |53 which is in constant mesh with a driving pinion |54. Said pinion is carried at the upper end of a shaft v|55 and a worm wheel |56 is loosely mounted ori the shaft. Said worm wheel is driven by a worm lss that is suit-abn' driven from the motor driven elevating the arm |08.

pulley 28, shown in Fig. 11. The worm wheel |56 has a clutch section |51 thereonyadapted to coactl with a second clutch section |58 splined at 58a on the shaft |55 and provided with a circumferential groove |59 therein. A controlling arm |60 carries a pin |6| that enters the groove |59 and controls the movement of the clutch section |58 into and out of clutching engagement with the clutch section 51. The arm 60 is fixed on the control shaft |43, herenbefore referred to. From an inspection of Fig. 3 it will be seen that said shaft |43, in addition to the arm |42, is provided with a second crank arm |62 that extends into the control vbox |41. A hook-like latch |63 coacts with the free end of the ,arm |62 and holds the parts 1 in the position illustrated in Figs. 1 and 3 with the clutch section |58 released from the clutch -section |51. When a return of the carriage is to hereinbefore mentioned Hart applicationSerial No. 538,725, av hook |64 draws forward the latch |63 and the arm |62 will move upward rocking .the shaft |43 and effecting an engagement of the clutch section |58 --with the section |51. The effect of this is to return the carriage to the right until the beginning of a line position is reached when vthe clutch section |58 will again be automatically moved to the Fig. 1 position and released from the clutch section |51. i.

It will be understood that when the parts are in above described to return the carriage, the shaft |43 (see Fig. 3) will be rocked in the direction of the arrow, lowering the arm |42. This will result in effecting a downward movement of the link |38, and in rocking the shaft ward movement of the arm |08. 'I'hls will turn the lever 98 on its pivot |0| and will withdraw the upper end 99 of said lever from cooperative relation with the cam blocks 90 and thus prevent injury to the parts during the rapid return of the carriage under control of the power actuated carthe Fig. 2 position .and thus conditioned as` |35 to effect an upriage return mechanism. When the shaft |43 is It has been found desirable tollock the numeral printing keys |65 (see Fig. 7) and also the usual alphabet key levers |66 (see Fig. 13) against actuation during-the automatic operation of the tabulator mechanism and during the return of v the carriage by its power actuated mechanism'.

With this vpurpose in view we have provided the following mechanism.

. Referring more particularly to Figs. 1 and 3 it should be borne in mind what has .been hereinbefore explained, that when the machine is conditioned to return the carriage by its power driven means, the rock shaft |43 is turned in the direc-4 tion ofthe arrow in Fig. 3. The eii'ect of this is to move forward a depending arm |61 fixedly, though adjustably, mounted on the shaft |43. This arm coacts with a laterally projecting stud or roller |60 that is mounted on a crank arm |69 ilxedly, though adjustably, secured to a rock shaft |10. This stud |68 is extended to the right of the crank arm |69 as indicated at |68. Y The extension |68*JL (see Figs. l, 2 and 14) enters an elongated slot |1| in an actuating link |12 being normally located at the forward end of said slot, as shown in Fig. 1. Thelink 12 comprises two lengthwise relatively adjustable sections united by screws |12.-

Referring to Fig. 13 it will be seen that the forward end portion of the link |12 is detachably pivoted at |13 to a depending arm or lever |14 pivoted at its upper end on a pivot rod |15. The lower end of the arm |14 is detachably pivoted at |16 to a link |11 which in turn is detachably pivoted at |18 to a forwardly extending link |19. By referring to Fig.' 7 it will be seen that the link |19 is pivoted at its forward end to a crank arm |60 by which a ball lock for the numeral keys |65 is controlled as disclosed in the application of Hart Serial No. 549,852. Thus the crank arm |80 is ilxedly, though adjustably, secured to a rock shaft |8| surrounded by a returning spring |82. Near one end of this shaft is secured a locking arm |83 adapted to enter a slot |84 in a housing |85 that receives a series of locking balls |86 that extend across the machine beneath the series of key levers |81 by which the numeral keys |65 are carried. The housing |85 also is slotted at |88 in register with each key lever |81 to receive and permit it to enter the space between adjacent locking balls. The series of locking ballsl coact with the end walls of the channel and are so located that there is only sufficient room to receive at one time either a key lever |81 or the locking arm |83. When the locking arm |83 is moved forward between adjacent locking balls the remainder of them are crowded together and against the end walls of the channel and lock all of the key levers |81 against depression or against suillcient movement to bring about an actuation of a numeral type bar and the computing mech'- 35 anism controlled thereby. In a like manner the balls -will be crowded into locking position by the depression of any key lever |81 so that the remainder of saidlevers are locked against an actuating depression until the first depressed key lever has returned to normal position. Suitable stops `(not shown) are provided for limiting the rocking movement of the shaft |8| in opposite directions and the effect of this is to limit the corresponding movements of the links |19 and |12 and the parts controlled thereby whereas such parts are returned to normal position by the spring |82 which returns the rock shaft |8| to normal position.

From the foregoing description it will be understood that when the carriage is being automatically returned by its power driven mechanism, the preliminary rocking of the shaft |43 in the direction of the arrow in Fig. 3 will result in moving the depending arm |61 forward. This in turn will result in moving the links |12 and |19 forward, thereby rocking the shaft |8| and causing the ball lock to prevent an actuation of any of the numeral keys |65. It is sometimes found to be advantageous to lock the alphabet key levers |66 against operation as well as the numeral keys. When this is found to bedesirable, we provide an additional lock which also is controlled by the link |12 and which will now be described.

Referring more particularly to Fig. 13 it will be seen that the link |12 is extended forward of its pivotal connection |18 to form an, extension |89 that is bifurcated at where it is received in a kslot |8| in a locking frame |92. The bifurcated end |90 straddles the upright plate of said frame |92 and is adapted to engage it on opposite sides thereof. This frame |92 extends from side toside of the machine above the alphabet key levers |66 and is pivoted at the ends thereof to the side plates of the upper frame section I6, as indicated at |93. The locking frame |92 is provided with a rear- The strength Iof the wardlyextending locking flange |94 which when the link |12 is shifted rearward from the Fig. 13 position will be moved beneath a series of projections on engaging members |95. One of these engaging members is pivoted' to each key lever |66, as indicated at |96, directly beneath the engaging portion of the companion member |95. A contractile spring |91 is connected at one end of each member |85 and at the other end to the companion key lever |66 and tends normally to, hold the associated member |95 in effective position. A stop pin |98 is carried by and projects laterally from each key lever |66 through an opening |99 in the companion arresting member |95 and thus limits the motion of said member in both directions around its pivot |96.

This construction is such that a forward movement of the link |12 not only will result in locking the ball lock as previously described, but also will result in moving the flange |94 beneath the hook-like engaging portions of all of the engaging members |95 thereby locking the key levers |66 against an effective depression or one which will cause an actuation of the parts controlled thereby.

If it should happen that a key lever |66 is depressed at the time when the link |12 is moved forward, then the cam edge 200 on the associated engaging member |95 will be beneath the rear edge of the flange |94. When, therefore, the key of said depressed key lever is released and returns to normal position, the upper end portion of the companion arresting member will be cammedrearward by the flange |94 against the force of the associated spring |91. When said 4cam edge passes the ange |84, the` spring |91 -.will return the engaging member to its normal position shown in Fig. 13 and it will prevent another depression of said key lever as long as the locking frame |92 remains in locking position.

In addition to automatically locking the alphabet and numeral keys (either or both) against actuation when the carriage is being returned by y its power actuated return mechanism, we prefer to lock such keys against actuation when the automatic tabulator is functioning. To this end we prefer to employ the following mechanism.

Referring more particularlyto Fig. 3, it will be seen that a sheet metal yoke-like control member 20| is loosely mounted on the shaft |43 between collars 202 flxedly held on the shaft. This control member has a depending arm 203 that terminates in a contact shoe 204 that coacts with the rear end of the link |12. Said control member 20| also has a rearwardly extending arm 205 provided with a laterally extending ear 206. This ear is pierced to receive loosely therethrough `the rod ||4 hereinbefore described. A coiled expansion spring 201 surrounds this rod and bears at its lower end against a washer 208 that rests on the ear 206 and at its upper end bears against a collar 209 fixed on the rod ||4.

From a consideration of Fig. 2 it will be seen 'i that when the frame |02 is turned to the position shown in this figure under an automatic tabulating operation, the control V member 20| will be rocked on the shaft |43 thereby shifting the link |12 forward and effecting a locking of both the numeral and alphabet keys as previously described. Due to the slot |11 in the link |12 this movement of the link is effected independently of the stud |68, |88* and the parts to which it K is connected. spring 201 is such that the above described movement of the control member 75 time as the ball lo'ck is released. When the ball lock is released, the effective force of the spring 201 will turn the member 20| and shiftthe links 12 and |19 forward thereby causing the locking arm |83 to be shifted to effective position Aand the locking frame |92 to be moved to locking.r position in the event that the latter is employed.

It also is desirable to automatically effect a locking of the numeral and alphabet keyswhen any of the usual denominational tabuiator keys 2|0 (shown in Fig. 19) is actuated. To this end we have provided the following construction.

As previously pointed out, these crank arms are connected respectively to the links |24 and |30, the first of which is controlled by the universal bar ||8.and the second of which controls the carriage release mechanism.

From what has been pointed out above it will be understood that when any of the denominational tabuiator keys 2|0 is actuated it results not only in projecting the associated stop 83 to effective position,`but also results in rocking the shaft |21 clockwise as the parts appear in Fig. 14, and through the intermediate connections 2|3, 2||, |10 and |69 will move the link |12 forward locking the numeral keys and the alphabet keys as well against actuation.

It is sometimes desirable to have the carriage travel by a single jump to a predetermined point without being arrested at the intermediate columnar positions or fields. Inorder to attain this result there is provided in the present instance a so-called single-key tabuiator mechanism which may be actuated without beingA interfered with by the automatic tabuiator mechanism. This mechanism will now be described.

Referring more particularly to Figs. l, 16, 17 and 20 it will be seen that the power driven shaft 29 (Fig. 20) on which the cam 30 is mounted also has mounted thereon near its right-hand end a like cam 2|4 having a second cam 2|5. These cams, the locking wheel 2|6, the latch 2|1, detent 2|8,v trip member 2|9-220 are like the corresponding parts at the other end of the shaft 29 which are controlled by the automatically operating tabuiator mechanism, although the release of the cam 2|4 is key controlled as will now appear.

Referring more particularly to Figs. 19 and 20 it will be seen that a tabuiator skip key 22| is arranged at the right-hand end of the series of tabulator keys and is mounted on a bell crank key lever 222. The mechanism controlled by a depression of this key up to and including the associatedstop lever 19 is similar to that disclosed in the said Hart application 634,670 and but a brief description thereof will be given. One

- arm of this key lever 222 is pivoted at 223 to a.

push rod or bar 224 provided with an upwardly extending projection to which one end of a contractile returning spring 225 is connected. The rear end portion of the push rod is supported by a roller 228 and is guided in a slotted guide plate 221. The upper edge of the push bar 224 has a cam 228 that terminates in a dwell 229. .A roller 230 bears on the upper edge of the push bar 224 and is carried by a vertically disposed slide 23| which is guided for up and down movement only by suitableguiding means including the plate 221.

The upper end of the slide 23| underlies and co' acts with an interponent 232 that on the depression of the key 22| will be elevated around its pivot 233 into the path of a bail or universal actuating bar 234 to be actuated thereby when the cam 2|4 is turned. The pivot 233 connects the associated interponent 232 to the right-hand actuating. arm 65h.

The pivoted universal bar or plate 234e is engaged and actuated by a shoulder 23| on the slide 23| during the upward movement of said slide from the Fig, 21 to the Fig. 20 position. This also is true of any of the corresponding slides for the denominational tabuiator mechanism. One end of lthe universal bar 234a coacts with an in- Wardly extending pin 235 carried by a vertically movable slide 236 that is pivoted at its lower end at 231 to the trip member.2|9220. A returning spring 238 isv connected to the slide 236 and exerts its force to'return the said slide and the parts connected therewith to the normal Fig. 21 position. It will be understood that a bearing roller 239- is carried by and off-set laterally from one of the supporting arms 240 of the actuating bar 234 and that said roller bears'againstthe periphery of the associated cam 2|4.

.On the depression of the tabuiator key 22| the corresponding interponent 232 will be elevated into the path of the bar 234. After such movement the trip member 2|9-220 will be actuated to bringabout apartial rotation ofthe cam 2| 4. The result of this is to actuate the arm 65b and corresponding slide lila and stop lever 19. However, in this` instance the actuation of the stop .lever 19 does not 4result -in actuating one of the engages'in a slot in a special slide 24|, similar to the stops 83 except that it is cut oiT at the forward end and when projected forward will not extend into the path of the column stops 84. This slide 24| has an upwardly extending projection 242 that projectsiinto a slot 243 `in a slide 244.

'Ihis slide is mounted in the tabuiator frame 15 near the top. thereof and above the tabuiator stops 83 to slide fore and aft of the machine.

This slide carries the stop 245 at the forward edge thereof for cooperation with a special column stop 246, the stop 245 when projected being above and out of the path of travel of the engaging portions of the column stops 84. It will be understood therefore that in the event ofa depression of the tabuiator key 22|, the carriage will be arrested by the cooperation of the column stop 246 with the projected stop 245, none of the intervening column stops 84 being effective at this time in the event that the automatic tabuiator is at this time rendered inoperative.

We have provided means rendering the automatic tabuiator ineffective or inoperative when the skipping tabulating mechanism controlled by the key 22| is actuated. Such means will now be described.

for automatically Projecting into the left-hand end of the slot 243 (see Fig. 18) of the slide 244 is one arm 241 of a bell crank lever (see Fig. 16) pivoted at 248 in the tabulator frame 15. The other arm I of this bell crank lever extends forward and overlies the right-hand arm of the control lever 98 and constitutes a stop to limit the pivotal movement thereof under the force of its spring |09, as hereinbefore pointed out. When the slide 244 is moved forward, the lever 241, will be turned clockwise as the parts appear in Fig. 16, thereby lowering the right-hand contact end of said lever 98 out of cooperation with the cams 90, thus rendering the automatic tabulator inoperative.

The carriage will, nevertheless, be released at this time due to the operation of the universal bar I|8 by the actuated lever 19 and the train of connections |24, |26, |21, |28 and |30 as previously pointed out. Moreover, the alphabet and numeral keys will be locked at this time due to the simultaneous operation of the train of devices 2I3, 2||, |10, |69, Hi8L and |12 controlled by the rock shaft |21. We also have provided means whereby the automatic tabulator will be rendered ineffective or inoperative when the carriage is released with the aid of the usual carriage release key or keys. Such means will now be described.

Referring more particularly to Figs. 16 and 18, it will be seen that one arm 249 of one of the usual carriage release levers underlies one end portion of the feed rack 22. When the associated release key (not shown) is depressed, the arm 249 is elevated thus lifting the feed rack out of engagement with its cooperative feed pinion 26 and freeing the carriage from control of its escapement mechanism. A crank arm 250 overlies the feed rack 22 and is secured to a shaft 25| which has a rocking and also a longitudinal movement in bearings in a fixed bracket 252. The inner end portion of this shaft has a rearwardly projecting crank arm 253 secured thereto. This arm normally overlies the right-hand arm of the control lever 96 at the upwardly inclined engaging portion thereof, as shown in Fig. 16. It follows therefore that when the feed rack is lifted by the actuation of the carriage release lever or either of them, the feed rack 22 will be elevated thus turning the shaft 25| and depressing the arm 253 thereby rocking the control lever 98 on its pivot |0I, carrying the engaging end ofthe control lever out of the path of the cams thus rendering the automatic tabulator mechanism inoperative.

We have provided means whereby the rocking of the shaft 25| as just described will be rendered ineffective on the control lever 98 during the automatic tabulation, and when the feed rack 22 is lifted by the rack lifting device: |32 at such time. Such means will now be described.

Referring more particularly to Figs. 16, 1'? and 18 it will be seen that the shaft 25| is surrounded by an expansion spring 254 which at one end abuts the bracket 252 and at its other end bears against the crank arm 250 thus tending to -force the shaft 25| to and maintain it at the limit of its longitudinal movement to the right. In this position the crank arm 253 on the shaft will be effective on the control lever 98 when the shaft is rocked as previously described. When, however, the shaft 25| is shifted to the left from its normal position, so that the arm 253 is moved from over the inclined portion of the control lever substantially to the horizontally disposed portion thereof, then a rocking of the arm 263 with the shaft 25| will be ineffective on the control lever and it will remain in effective position for coaction with the cams 90.

In order to bring about automatically a longitudinal shifting of the shaft 25| to the leftwe have provided a cam member 255 pivoted at 256 on the bracket 252. A cam edge 251 is provided on the member 255 for cooperation with the right-hand end of the hub 258 of the crank arm 253. 'I'he member 255 also has an off-set contact face 259 with whichan off-set lug 26|) on a lever 26| is adapted to engage to turn the cam member 255 from the Fig. 16 to the Fig. 17 position. The result of this is'to shift the shaft 25| to the left with the result hereinbefore indicated. and to hold the parts in this condition as long as the cam member is held in its actuated position.

The lever 26|` is pivoted at 262 to the bracket 252 and the Iright-hand arm of said lever overlies the rack lifting device |32. As the latter is actuated to lift the rack 22 it also will actuate the K leverr26| moving it from the Fig. 16 tothe Fig.

17 position with the result that the shaft 25| is shifted to the left and a rocking of the arm -253 at this time is ineifective on the control lever 98. When the denominational tabulator is to be used, the manually controlled lever |45 is shifted to and retained in the locking notch |52, thereby rendering the automatically operating tabulator inoperative and free from interference with the denominational tabulator.

When we refer herein and in the accompanying claims to manally controlled denominational and column skipping tabulator mechanisms, etc., it will be understood that such term is employed to differentiate from an automatically operating tabulator mechanism and is applicable alike to such denominational and column skipping tabulator mechanisms, etc., whether they be .power actuated as disclosed herein orare manually actuated in their entirety.

It is thought that in view of the foregoing description it will be unnecessary to describe more fully the operation of the machine under varying conditions of use. However, it will be seen that by our invention we have provided-- (a) A power actuatedautomatically operating tabulator mechanism which is comparatively simple in construction and efilcient in use;

(b) Manually controlled means comprising the parts |45, |5I, etc., that operate at the will -of the operator for rendering and maintaining indenitely said automatically operating means inoperative;

(c) Means for automatically locking printing keys against actuation when said automatically operating mechanism is actuated;

(d) Column jumping means comprising the parts 22|, 245, 246, etc., together with means for automatically rendering the automatic tabulator mechanism inoperative Vwhen said column jump- `ing means are actuated;

(e) Means for automatically locking printing Akeys against actuation when the column jumping (a) Means for automatically locking printing keys against actuation when said denominational tabulator mechanism is actuated;

(h) Means for rendering 'said automatically operating tabulator mechanism inoperative when the carriage is released by the usual carriageren lease key or keys;

(k) Means whereby the above mentioned mechanisms may be incorporated in a machine having two relatively movable frame sections and which will not interfere with such relative movement of the sections;

(l) A construction whereby the foregoing features may be readily embodied in existing machines without materially modifying the existing structural features thereof. a

(m) A construction of such .a character that during the returnV of the carriage by hand or otherwise the automatically operating tabulator ymechanism will not function.

While we have described one form of construction embodying our invention in detail, it should We believe that we are the rst to providepower actuated, automatically operating, tabdulator mechanism and have claimed such mechanism broadly.

. What we claim as new and desire to secure by Letters Patent is: V

1. In an automatic power actuated tabulator mechanism for typewriting and like machines, the combination of a carriage, a tabulator stop, power controlled means for projecting said tabulator stop to effective position and for releasing the carriage, and controlling means automatically operative at a predetermined point in the travel of the carriage for rendering said power controlled means eiective to project said tabulator stop and for releasing the carriage.

2. In an automatic power actuated tabulator `mechanism for typewriting and like machines,

the combination of a carriage, a tabulator stop, power controlled means for projecting said tabulator stop to elective position and for releasing the carriage, and controlling means automatically operative at a predetermined point in the travel of the carriage for rendering said power controlled means effective to project said tabulator stop-and for releasing the carriage, said controlling means including adjustable means by which the point or points in the travel of the carriage .where the tabulator stop is projected and the carriage released may be predetermined.

3. In an automatic power actuatedtabulator mechanism for typewriting and like machines,

the combination of a carriage, a tabulator stop,4

4. The combination of a carriage, a contact.

device carried thereby, a tabulator stop, carriage releasing means, power actuated means for pro- `the carriage, controlling means automatically jecting said tabulator'stop and for operating said carriage releasing means. and means controlled by said contact device for automatically rendering the. power controlled means effective to project the tabulator stop and for actuating said 5 carriage releasing means.

5. 'I'he combination of a carriage, a cam carried therebya tabulator stop, carriage lreleasingmeans, power actuated means for projecting said tabulator stops and for operating said carriage 10 releasing means, and means controlled byfsaid cam for automatically rendering the power controlled means eiective to project the tabulatorv stop and for actuating said carriage releasing means. l Y

6. In an automatic power actuated tabulator 4 mechanism for typewritlng and like machines,

the combination of a carriage, a tabulator stop,

power controlled means for projecting said tabulator stop to effective position and for -releasing operative at a predetermined point in the travel of the carriage. for' renderingsaid power controlled means effective to project said tabulator stop and for releasing the carriage, key locking 25 means, and automatically operating means for rendering said key locking means eective when Y the tabulator stop isv actuated and the carriage is released.

. 7. The combination of a carriage, a contact car- 30 ried thereby, nger keys, a lock for .said finger keys, a tabulator stop, carriage releasing means, power actuated means for projecting said tabulator stop and for operating said carriage releasing means, means controlled by said contact for rendering the power controlled means effective to project the tabulator stop and release the carriage, and means also controlled by said con. tactfor actuating said lock to lock the finger keys.

8. In an automatic power actuated tabulator mechanism for typwriting and like machines, the combinationof a carriage, a tabulator stop, power controlled means for projecting said tabulator stop to effective position and for releasing the carriage, controlling means automatically operative at a predetermined point in the travel of the carriage for rendering said power controlled means effective to project said 'tabulator stop and for releasing the carriage, and manually controlled means settable at will for rendering said automatic tabulator mechanism inoperative. A

9. The combination of a carriage, a cam carried thereby and having a dwellthereon, a tabulator stop, carriage releasing means, power actuated means for projecting said tabulator stopA and operating said carriage releasing means, and means controlled by said cam for rendering the power controlled means effective to project the tabulator stop and for actuating said carriage releasing means, the construction and arrangement of theparts being such that the length of th dwell on the cam determines the length of time that the tabulator stop remains projected and the carriage released.l

10. The combination of a carriage, power actuated carriage return mechanism, power actuated automatic tabulator mechanism operative automatically at a predetermined point in the advance of the carriage, and automatically operating 70 means for rendering said tabulator mechanism ineffective when the carriage return mechanism is operative.

11. The combination of a carriage, power acf mated carriage return mechanism, poweractu-jfo ated automatic tabulator mechanism operative automatically at a predetermined point in th(1 advance of the carriage and lcomprising a contact on the carriage and controlling means with which said contact coacts, and means controlled Y by said carriage return mechanism.- for rendering said contact ineffective on said controlling means in the return movement of the carriage.

' releasing means, and controlling means for auto- A of the carriage and operative on said connecting matically rendering said cam operative at a predetermined point in the advance of the carriage, said controlling means including means by which they. are rendered ineffective during the return movement of the carriage. v

14. The combination of a carriage, carriage releasing means, atabulator stop, a power actuated cam for actuating said tabulator stop and releasing means, controlling means for automatically rendering said-cam operative at a predetermined point in the advance of the carriage, power actuated carriage return mechanism, and means controlled thereby for renderlngsaid controlling means ineffective.

15. rI ihe combination of a carriage, carriage 35 releasing means, a tabulator stop, a continuously operating power actuated driving shaft, a cam actuated thereby,L connecting means for operatively connecting said cam to said shaft, saidv tabulator stop and carriage releasing means being controlled by said cam, and controlling means actuated at a predetermined point in the advance means to operatively connect said cam to its power actuated driving shaft.

'16. The combination of a carriage, carriage releasing means, a tabulator stop, a continuously operating power actuated driving shaft, a' cam Aactuated thereby, connecting means for operatively connecting said cam to said shaft, said tabulator stop and carriage releasing means being controlled by said cam, controlling means actuated at a predetermined point in the advance of the carriage and voperative on said connecting means to operatively connect said cam to its power actuated driving shaft, and means operable at will for maintaining said controllingmeans inoperative.

17. The combination of a carriage, carriage releasing means, a tabulator stop, a continuously operating power actuated driving shaft, a cam actuated thereby, connecting, means for operatively connecting saidcam to said shaft, said tabulator stop and carriage releasing means being controlled by said cam, and controlling means actuated at a predetermined point in lthe advance ofthe carriage and operative Jon said connecting means to operatively connect said cam to its power actuated driving shaft, said controlling means including meansaby which they are rendered ineffective during the return movement of the carriage.

18. The combination of a carriage, carriage releasing means, a tabulator stop, a continuously operating power,` actuated driving shaft, a cam vactuated thereby, connecting means for opera-v tively connecting said cam to said shaft', said carriage to eiect av pivotal controlled by said cam, controlling means actuated at a predetermined point in the advance of the carriage andoperative on said connecting means to operatively connect said cam to its power actuated driving shaft, printing keys, locking means for locking said keys against actuation, and automatically operating means for actuating said locking means-to lock the-keys when said controlling means are actuated.

19. In an automatic power actuated tabulator mechanism for typewriting and like machines, the' combination of a carriage, a tabulator stop, power controlled meansy for projecting said tabulator stop to effective position and for releasing the carriage, and controlling means automatically operative -at a predetermined point in the travel of the carriage for rendering said power controlled` means eective to projectsaid tabulator stop and for releasing the carriage, said controlling meanscomprising a pivoted actuating frame, and means on the carriage for effecting a pivotal movement of said frame at a predetermined point in the advance of the carriage.

20. In an automatic power actuated tabulator mechanism for typewriting and like machines, the combination of a carriage, a tabulator stop, power controlled means for projecting said tabulator stop to effective position and for releasing the carriage, and controlling means automatically operative at a predetermined point in the travel of the carriage for rendering said power controlled means effective to project said tabulator stop and for releasing the carriage, said controlling means comprising a pivoted frame, a lever pivoted for independent movement on said frame, and a contact on the carriage so constructed and arranged as to coact with said lever at a predetermined point in the advance of Athe movement of the frame andto effect an independent movement of the .lever on said frame duringthe return A movement of the carriage.

21, vIn an automatic power actuated tabulator `mechanism for typewriting and.like machines,

travel of the carriage for'renderlng said power controlled means effective to project said tabucontrolling means comprising a pivoted frame, a lever` pivoted for independent movement on said frame, a contact on the carriage so constructed and arranged as to coact with saidlever at a predetermined point in the advance of the carriage to effect a pivotal movement of the frame and to effect an independent movement of,

the lever on said frame during the return movement of the carriage, and manually controlled means settable at will for maintaining said lever out of cooperative relation with said contact and for thereby rendering-the automatic tabulator mechanism inoperative.

22. The combination of a carriage, power actuated carriage return mechanism, power actuated automatic -tabulator mechanism operative automatically at a predetermined ,point in the advance of the carriage, and automatically operating means for rendering said tabulator mechanism ineffective when the carriage return mechanism is operative, the construction comprising ylator stop and for releasing the carriage, said.

a pivoted frame, a lever pivotedfcrindependent tive, and means controlled by said carriage return mechanism for automatically elfecting an independent movement of said lever to move it out of cooperative relation with said contact and for thereby renderingthe automatic mechanism inoperative.

23. The combination of a carriage, carriage releasing means, a tabulator stop, a continuously operating power actuated driving shaft, a cam actuated thereby, connecting means for operatively connecting said cam to said shaft,-said tabulator stop and carriage releasing means being controlled bysaid cam, and controlling means actuated at a predetermined point in the advance of the carriage and operative on said connect-ing means to operatively connect said cam to its power actuated driving shaft, said controlling means including a controlling cam with a dwell automatically actuated at a predetermined point in the travel of the carriage to connect said cam to its power driving means during a portion only of the cycle of said cam to move it to actuated position and afterwards reconnectit to its power driving means to complete the cycle of the cam and return it to normal position, said controlling means comprising a controlling cam movable with the carriage and having a dwell thereon,

the construction and arrangement of the partsl being such vthat the length-of the -dwell on the controlling cam determines the length of time that the power driven cam remains in its actuated position.

25. The combination of a carriage, a tabulator stop, carriage releasing means, power actuated means for controlling the movements of said tabulator stop and releasing means to and from eiective position, and controlling means automatically actuated at predetermined points in the travel of the carriage for controlling the movements of the tabulator stop and carriage releasing means to and from eiective position, said controlling means including means for predetermining the extent of time that said stop and releasing means shall be retained in the actuated position at each tabulating operation.

26. The combination of a carriage, a tabulator stop, carriage" releasing means, power actuated means for controlling the movements of said tabulator stop and releasing means to and from effective position, and controlling means automatically actuated at predetermined points in vthe travel of the carriage for controlling the lengths of time depending on the length of the particular contact device which is in use.

tabulator 27. In an automatic'v power actuated tabulator mechanism for typewriting and like machines, the combination of a carriage, a tabulator stop,

power controlled means for projecting said tabulator stop to effective position'and for releasing `the carriage, controlling means yautomatically operative at a predetermined point in the travelv of the carriage for` rendering saidpower controlled meaps elective to project said tabulator stop and for releasingthe carriage, a machine .frame comprising two relatively movable sections,

some of the elements of said automatic power ac tuated tabulator mechanism being carried by one of .said sections andvother elements thereof car'- ried by the other of said frame sections without interfering with the relative movement of said frame sections, the construction and arrangement of the parts being such that cooperative elements on the two frame sections are brought into cooperative relation when the sections are brought together. o

28. The combination of a machine frame comprising two relatively movable sections, automatically operating tabulator mechanism including elements thereof carried by ,one of said relatively movable frame sections and other elements thereof carried by the other frame section, the conv-struction and arrangement of the parts being such that cooperative tabulator elements on the two frame sections will be brought into coopera'- tive relation when the frame sections are brought together in the event that such `elements arev in their normal position relative to the frame section which carries them, a support for certain of said tabulator elements and which is movably mounted on one of the frame sections, and spring means tending to maintain said support in iixed relation to the frame section which carries it, whereby in the event that one of the cooperative tabulator elements is not in normal position when theV frame ysections are brought together said support will be moved against the force of lits spring means and no injury to the structure being such that said cooperative elements are l moved out of cooperative relation without interfering with the separation of the frame sections and are brought into cooperative relation when the frame sections are brought together.

30. The combination of automatic tabulator mechanism, manually controlled column skipping tabulator mechanism, each of said tabulator mechanisms being actuated independently of the other to effect an arrest of the carriage in a columnar position and automatically oper-y ating means for rendering said automatic tabulator mechanism inoperative when said column skipping mechanism is actuated.

31; The combination of a carriage having a step-by-step letter feed movement, power actuated tabulator lmechanism that is automatically actuated when the carriage reaches apredetermined point in its travel, a separate and distinct manually controlled column skipping tabulator,

mechanism, and automatically @ratingmeans