US1174633A - Time-recorder. - Google Patents

Description

J. SOKOLOV.

TIME RECORDER.

APPLICATION FILED SEPT-24,1914.

Patented Mar. 7, 1916.

4 SHEETSSHEET1 nvemto c Jacob SokoLOU l I 1 l v 1 I I l L FigsJ28 13 Tn: COLUMBIA PLANOGRAPH co. WASHINGTON. 0. c.

J. SQKOLOV. TIME RECORDER.

APPLICATION FILED SEPT-24,1914- witnesses: M m. M

M C W,

THE COLUMBIA PLANOGRAPH co, WASHINGTON, n, c.

J. SOKOLOV.

TIME RECORDER.

APPLICATION man sEPT.24, I914.

1,174,633. Patented Mar. 7,1916.

4 SHEETS-SHEET 3- 5 mm ntoz 7}? Jacob Sokobov $51 his aM w e -F THE COLUMBIA PLANOGRAPH co.. WASHINGTON. D. c.

J. SOKOLOV.

TIME RECORDER.

APPLICATION FILED SEPT-24, I914.

Patented Mar. 7, 1916.

4 SHEETSSHEET 4.

5 mnntcvz 170000 b S 0K0 L0 1: %1 hisfltknmek UNITED STATES PATENT OFFTCFE.

JACOB SOKOLOV, OF NEW YORK, N. Y., ASSIGNOR TO JOHN FIRTH, OF NEW YORK, N. Y.

TIME-RECORDER.

Specification of Letters Patent.

Application filed September 24, 1914. Serial No. 863,253.

T all whom it may concern:

Be it known that I, JACOB SoKoLov, a citizen of the United States of America, and resident of the county of Bronx, city and State of New York, have invented certain new and useful Improvements in Time- Recorders, the principles of which are set forth in the following specification and accompanying drawings, which disclose the form of the invention which I now consider to be the best of the various forms in which the principles of the invention may be embodied.

This invention relates to improvements in time recorders, the object being to provide a structure more simple, compact, durable, and strongly constructed, and cheaper to construct, than heretofore, while having no limitations as to the number of employees who may use it.

The invention consists of the machine and the novel features thereof to be hereinafter disclosed.

Of the drawings, which disclose the preferred embodiment of the improvements: Figure 1 is a front elevation of the complete machine, the lower part of the casing therefor being broken away to show a front elevation of the recording mechanism. Fig. 2 is a side elevation of the right-hand side of Fig. 1, the lower part of the casing being broken away here also. ig. 3 is a plan corresponding to Fig. 1. Fig. -1 is an enlarged side elevation of the left side of the recording mechanism of Fig. 1, e. the side opposite to the side shown in Fig. 2. Fig. 5 is a front, elevation of the recording mechanism. being an enlarged view of the parts shown at the bottom of Fig. 1, save that the card-holder B which is shown in Fig. 1 is here omitted for clearness. Fig. 6 is an enlarged front elevation of the time card A which is shown in miniature in Fig. 1 in position in the card-holder B. Fig. 7 is a detailed side elevation of the hour printing wheel L and its escapement mechanism; and Fig. 8 is a front elevation, chiefly in section, of the hour and minute printing wheels and the hour wheel escapement mechanism, being an enlarged view of the same parts which are shown entirely in elevation in Fig. 5, upper right hand. Fig. 9 is a per spective view of the locking mechanism for the hour-wheel L shown in Figs. 5, 7 and 8. Fig. 10 is a right-hand side elevation of the escapement for the minute-wheel K and the driving means for said escapement, this apparatus being located behind the main frame R, shown in F ig. 2 inside the casing; and Fig. 11 is a bottom plan of wheels 9 and J of said escapement. Fig. 12 is a lefthand side elevation of the moving mechanism for the inking ribbon; and Fig. 13 is a front elevation of the same, being an enlargement of the same parts not so clearly shown in Figs. 1, 2 and 4. Fig. 1% is a right-hand side elevation of the escapement for the card-holder actuator, being an enlargement of the same mechanism shown in Figs. 1, 2, 4 and 5; Fig. 15 is a plan of the same; and Fig. 16 is a front elevation of the escapement wheel of the escapement of Figs. 14 and 1-5.

The general operation of the machine is as follows: Each employee is provided with his own time card as A, Fig. 6, and when he arrives for work, say in the morning, he places this card down in the top-slotted card-holder B (Figs. 1 to 4;), wherein the bottom of the card rests on the pin C (Figs. 1 and 5), the record face of the card facing backward toward the printing wheels K and L. He then turns knob D (Figs. 1 and 5) so that pointer E indicates the proper place (as In, morn) on the fixed dial F, Fig. 3. This turning of knob D results in depressing pin C the proper distance to permit card A to drop into a position inside its holder B, wherein its correspondingly marked line as In, morn, Fig. 6, will be in place in front of the hour and minute printing wheels, L, K, Fig. 5, behind the card-holder B. Next, the employee depresses lever G (Fig. 1) to trip the hammer H (Figs. 1, 2, 1 and 5) which knocks back that unsupported portion of the card (which appears through the hole in the holder, Fig. 1) against the printing wheels, to receive on its face the imprint of the hour and minute of the time of printing. Thereupon the employee removes the card, leaving the holder empty to receive other employees cards successively.

Upon leaving, as at noon for example, the employee re-inserts his own card in the holder, and repeats the above operations, save that he moves pointer D (Fig. 3) to a diflerent position on the dial F, i. 6., to one which corresponds to the Out, noon line of his card. This operation may be repeated for each horizontal line of his card, and in each case the pointer and dial control the proper vertical position of the card.

Hereinafter will be described the mechanism by which the card-holder B is automatically shifted horizontally once every 24 hours to bring the successive day-of-theweek columns of the card in proper horizontal position in front of the printing wheels. This mechanism is. controlled by the clock mechanism (Fig. 1) which also controls the operation of the hour and minute printing wheels.

Controlling mecham'sm.-The general control by the clock mechanism of the above three principal moving elements of the recording mechanism, the minute-printing wheel K, the hour-printing wheel L, and the card-holder B, is as follows: To any suitable wheel of the clock mechanism which rotates once an hour, as shown in Fig. 1, is connected a rod I carrying at its lower end the minute-escapement wheel J (Figs. 1, 2, 5, 10, 11) this latter wheel acting through intermediate mechanism to trip the minuteprinting wheel K sixty times per hour (Figs. 4, 5, 8). The wheel K is thus put in proper position to print the minutes on the card A. The tripping of the hour-printing wheel L (Figs. 5, 7, 8) is also controlled from the clock mechanism, but by way of the minute-escapement wheel J acting on the minute-printing wheel K as above, to operate through arm M (Figs. 5, 7, 8),which arm .each hour strikes wedge N (Figs. 5, 7, 8 and 9) of the locking mechanism shown in Fig. 9, to shift said wedge N and withdraw its projection 0 from any one of the slotse in hour-printing wheel L, to trip said wheel by one space. The tripping of the cardholder B (Figs. 1, 2 and 4) is also controlled by the clock mechanism, but by way of the minute-escapement wheel J acting (through intermediate mechanism of Figs. 14-16) to turn pinion P (Fig. 1) to operate rack 34 to move the card-holder horizontally one day-space every 24 hours, so as to bring the next clay-column of card A in front of the minute and hour printing wheels. Thus the clock mechanism and the escapement wheel J constitute the master control for the two printing wheels and for the card-holder. But as will be seen, the escapement wheel J is the only part which is operated by the power from the clock mechanism. Other sources of power are provided not only for operating the printing wheels and cardholder, but also for operating the escapement controls of the hour-printing wheel L and of the card-holder B, but subject in all cases to the master control of the escapement wheel J.

Power arrangemcnts.The general arrangement is as follows: The power for operating both the printing wheels K and I. is derived either directly or indirectly,

derived from an independent source consist ing of a spring 42 (Figs. 2, 14 and 15) which spring is wound up once a week by the attendant in the act of re-setting the cardholder by shifting it horizontally so that the Monday column of the card comes opposite the printing wheels. The power for controlling the operation of the card-holder B by the power of spring 42 is derived from drum 2 by way of a train of gears connected to the train between drum 2 and the spring 10 which operates hour-wheel L, said train comprising (Figs. 8 and 14) 4, 6, 18, 19, 20, 21, 44, 45, Q. The power for operating the inking-ribbon spools SS (Figs. 1 and 5) is furnished manually by the employee in pressing lever G to operate the printing hammer H. Hour-wheel L is operated from drum 2 indirectly by way of an auxiliary storage spring 10 (Fig. 8) which is put under tension by drum 2 (Fig. 8) by way of a train of gears and ratchets 4, 6, 18, 19, 20, 21, 14. Since it is the operation of minutewheel K (by the power of drum 2) which controls hour-wheel L, it is therefore the drum 2 which furnishes the power to control said hour-wheel L.

The details of the power arrangements are as follows: From drum 2 power is conveyed to rotate the minute-printing wheel K which is fixed t0 shaft 8. heel K is permitted to operate only intermittently by virtue of escapement wheel 9 mounted on the same shaft 8, and engaging with specially constructed escapement J, above described as being rotated once every hour by the clock mechanism. Power is conveyed to minutewheel K from drum 2 as follows: The drum 2 has peripheral teeth as shown, which engage pinion 4 on shaft 5 which carries gear 6 engaging pinion 7 on shaft 8, on which wheels 9 and K are mounted. The power from spring-drum 2 is conveyed through a separate spring 10 (Fig. 8) to operate hourprinting wheel L. The spring 10 is adjusted during assembly to have sufiicient tension so that when it is released by the escapement of hour-wheel L, it will move that wheel one space or 1/24th of a rotation; and after 4 on the left end of shaft 5 as above described. To the right on shaft (Figs. 8 and 7) is mounted a ratchet 20 connected through an intermediate portion with gear 21. A ratchet wheel 18 is mounted adjacent ratchet 20, and is engaged by the pawl 19 with ratchet 20. Gear 21 drives gear li and in the latter at 15 is secured one end of spring as shown in Fig. 8, the other end of the spring being connected to move hourwheel L. (The ratchet mechanism is interposed in the driving mechanism in order to permit independent setting of the hourwheel, as described later). Thus the spring 10 is wound continually for one hour by the power from spring drum 2, at the end of which time it has sufficient tension to move wheel L the desired distance. (For the operation of hour-wheel L itself, see infra under title of Hour-wheel escapement). The provision of this arrangement of auxiliary spring 10 is important in that it always provides the same tension irrespective of the condition of tension of the main spring 2, and such a tension as is no more than suflicient for its purpose, with the result that the mechanism is not subjected to injurious shocks, and the clock-mechanism and recording mechanism are relieved from all overloading. This arrangement of auxiliary spring power is so advantageous in this type of mechanism that a similar arrangement is Provided for the operation of the card-holder B, a difference being that in this case, the spring is entirely independent of drum 2, and is wound up manually once a week by the attendant who resets the card-holder for the following week. This arrangement consists of a helical spring 42 (Figs. 2, 14 and which surrounds shaft (Fig. 14:), the front (left) end of the spring being fixed in bearing etl for shaft 40, and its rear end (right) in clutch member 43. Every 24: hours clutch member 43, which carries one end of spring as, is released by the escapement mechanism (to be described under that title) operated from power drum 2, to permit spring 42 to partially rotate the clutch member and its shaft 4:0, to operate card-holder B by partially rotating gear P (Figs. 14 and 1) which operates rack 34: which is fixed to the cardholder B (Fig. 1). During assembly, the spring 4:2 is subjected to the tension required to move card-holder B horizontally from one extreme position to the other, in such successive partial movements every 24-. hours as just above described. Throughout the week the card-holder islocked (by mechanism to be described under the title of Cardholder escapement) against possible attempts by employees to move it, and at the end of the week the authorized attendant unlooks it and moves it back to the Monday morning position, the cardholder then moving rack 34 and thereby operating gear P on shaft 40 to wind up spring 42 to its original tension; clutch member 43 being held by its esoapement mechanism to permit this winding up.

The power to operate the escapement of the card-holder is derived from the abovedescribed train of gears between spring drum 2 and the hour-wheel spring 10. On the same shaft (5, Fig. 8) to which gear 21 of that train is fixed, is also fixed apinion le which engages idler e5 (Fig. 1%) which drives gear Q (Figs. 1a and 15) on shaft 426 which is mounted in main frame R. Shaft 46 carries cam t? which directly controls the escapement as described hereinafter.

The main spring in drum 2 is provided with the winding mechanism shown in Fig. 2, consisting of spiral gears 11, 1), respectively mounted on main shaft 3 and on winding shaft '0 Gear 1) is the driver, the gears being spiral, the spring cannot operate gear o Thus although no safety ratchet arrangement is provided, the spring may be unwound, as for the purpose of permitting repairs, without danger of its running away.

Print ing hammer and inking m'bb0n. The description of the manually applied power for operating the printing and ribbon will be included under the above title.

The details of the construction and operation of the irinting hammer H and of the inking ribbon spools S, S, actuated manually by the employee, are as follows, (see Figs. 1, 2, i and 5esgecially Fig. 2.) First, the hammer H, the upper end of which knocks against card A to force it against the inking ribbon, and that in turn, against the printing wheels. The lower end of this hammer is fixed on oscillating shaft 0*, on which is also fixed lever 72, the free end of which is pulled down by spring 73 held at its lower end by screw 68. Lever G is the manual actuator for hammer H. t is fixed intermediate its end on oscillating shaft Q, has its rear end pulled down by spring 6? held at its lower end by screw 68, and has a. pawl 69 pivoted to it. When lever G is depressed against its spring 67. the forward end of its pawl 69 engages with incline T of hammer H, and thereby pushes forward the hammer against its spring 73 and away from card A. As the rounded end of the pawl 69 travels down incline 70, its other end is held against pin 71 on lever G, but as soon as the center of the rounded end of the pawl reaches the point of incline 70. hammer-spring 73 operates to pull forward the upper end of hammer H, and the hammer-recess below incline moves around the rounded end of the pawl, while forcing the pawl to move on its pivot. This free ing of the pawl also permits lever-spring 67 to pull down the rear end of lever G, thus leaving its forward end in readiness for the next printing operation. hen hammer H is pulled. abruptly by this spring 7 8, a leafspring 74 acts as a buffer by engaging pin the card-holder B so as not to obstruct the card-passage therein. In this position hammer H is held by engagement of its lateral pin in the edge recess in lever G shown. Pawl 69 is held against this pin 71 in readiness for the next operation, by means of a suitably coiled spring (not shown) and engaging between the pawl and its pivot.

The inking ribbon spools S, S are moved at each printing operation, by the manipulation of operating lever G by the employee. When the ribbon is nearly wound oif from one spool and on to the other, the mechanism is automatically reversedto effect winding in the opposite direction. WVith this descrip tion see Figs. 1 and 2, and for details, Figs. l, 12 and 13. The oscillating shaft 9 of printing-operating lever G carries lever 14 (Fig. 12) which shares in the reciprocating movements of lever G caused by the alternate actions of depression by the employees hand, and of elevation by lever-spring 67 (Fig. 4). This lever a efiects the ribbon feed (Fig. 12). Each time lever G is depressed, lever a moves forward (to the right in F lg. 12) and causes a like movement of the free end of lever 85 which enters its forked upper end, lever 85 being pivoted on shaft 6. In the free end of lever 85 is pivoted a pawl 86., which is moved to the right with lever 85, and which has a tooth 95 which is in position to operate ratchet wheel 80 (Figs. 12 and 13) but not ratchet wheel 81. Wheel 80 is fixed on shaft 15 which carries bevel gear 79, which is thereby operated to rotate bevel gear 78, vertical shaft 76 and ribbon spool S. This feeds the ribbon from left to right (Fig. 5). In this direction of operation, the pawl 86 is held to its work with ratchet 80 by means of a spring 87 fastened to lever 85, the spring 87 carrying atits end a detent which engages the recess in pawl 86 in the position shown in Fig. 12. The reverse feed is effected as follows: A horizontal rod :0 (Figs. 12, 13 and 5) is arranged to reciproa cats from left'to right and right to left in bearings in frame B. On this rod 00 is fastened a sleeve 88 carrying two vertical arms 89, 89 which have their upper ends forked to straddle the inking ribbon. Sleeve 88 also carries at its left end a member 91 carrying a stop 93. In the position of this stop 93 shown in Fig. 13, the ribbon is yet being fed from left to right, but when the left hand spool S is nearly empty, there comes from it a portion of the ribbon which carries a projecting metal part 90 fastened to it (Fig. 13), and this. part 90, as the ribbon moves from left to right, abuts against the upper forked end of arm 89 and moves it to the right, thereby carrying stop 93 also to the right and-against fram R stop 93 being now in the path of motion of projection 94 of ratchet 86. Thus when lever 14 is next operated, stop 93 trips ratchet 86, moving it on its pivot and carrying its front tooth 95 down away from engagement with ratchet wheel 80, and carrying its rear tooth 95A (which, as constructed, occupies a position to the left of tooth 95) up into engagement with the other ratchet wheel 81, which is then operated by pivoted'ratchet 86 in the direction opposite to that in which wheel 80 has been operated, so that the ribbon-spool is also turned in the opposite direction, and the ribbon is fed in the opposite direction. During this reverse feeding operation, the detent of spring 87 is held against the lower face of the rear cam edge of ratchet 86, into which position it was forced when ratchet 86 was tripped by the engagement of stop 93 with ratchet-stop 94. The right-hand end of the ribbon is provided, like the left-hand end, with an eyelet-device 92, which operates to reverse the feed from left to right. The rod 00 which carries vertical arms 89 and also the rest of the reversing mechanism, is held from undesired vibration by spring a (Fig. the end of which engages alternately in one or the other of two grooves y, 1 in rod in, which results in holding parts in their respective positions corresponding to the feeding of the ribbon in the two directions. The above inking mechanism is characterized by its simplicity, small number of parts, its easy adjustment, and low cost of manufacture.

Operation 0 setting the rliaZ.-The employees operation of the dial knob D (Fig. 3) results in letting his card drop down into proper position in the card-holder B, so that the proper horizontal or hour-column of the card (Fig. 6) is presented to the effective part or parts of the peripheries of the printing wheels. Thus, assuming that the employee desires to print the time of his arrival on Monday noon, he moves the pointer dial to the In morn position shown in Fig. 3. This results in moving pin C (Figs. 1 and 5) to its lowest position, so that the In morn column of the card, which is the highest column Fig. 6), is opposite the printing wheels. The operation of hammer H, as above, will now print the time 12.00 as shown in Fig. 6. Likewise, by operation of the dial knob D (Fig. the pin C may be moved to any higher position required.

The details of the construction and operation between dial-knob D and pin C are as follows (Fig. l) Turning the knob D turns rod m on which is fixed a cam nformed with a helical groove engaged by pin v in pivoted lever 0, resulting in raising or lowering pin C on the free end of lever 0.

J1 tlttlt-QUIMCZ escapement.As statel generally above, escapement 9 is mounted on the same sh aft 8 as in minute-wheel K, which is o 'ierated by the train of gears from power drum 2 (Fig. 10). This toothed wheel 9 is tripped sixty times per hour by escapement wheel J (Figs. 10 and 11) which then permits minute-printing wheel K to be driven one space. lVheel J is rotated once an hour by the clock mechanism (Fig. 1) and is specially constructed to provide a simple and reliable escapement. It is bell-shaped (Figs. 5 and 7). and wheel 9 extends up into its cavity. The teeth of wheel J are formed on the edge of the bell, but they are inclined inwardly, being directed or radiating inwardly, approximately toward shaft 8 as a center, or so that they conform to the angle of the abutting sides of the teeth of wheel 9 in the position of the latter where they engage with the teeth of bell-wheel J. Each of wheels 9 and J has thirty teeth. Vheel 9 on shaft 8 occupies a position very slightly offset, to the right or left, from the center of bell-wheel J the offset distance being equal to one-half the pitch of the teeth of bellwheel J.

The operation (Figs. 10 and 11) is effected sixty times per hour. bell J being continuously operated, but wheel 9 and minuteprinting wheel K being stationary for a minute after each tripping operation. The successive tripping operations occur alternately at the front and at the rear of bellwheel J (Fig. 5), and as soon as a tripping operation has been effected, as at the rear of hell wheel J then wheel 9 is locked by tooth engagement at the front of bell J. This is the condition shown in Figs. 10 and 11, where tooth 25 of wheel 9 (at the righthand end or rearl has just escaped between teeth 26 and 27 of hell J; but further movement of wheel 9 has been stopped by the engagement of its tooth 22 at the left or front) with tooth 23 of bell J. The continued rotation of bell J will move its tooth 23 out of the path of tooth 22 of wheel 9, whereupon wheel 9 will be driven another 1/60th part of a rotation, being again stopped before its front tooth to the left of its tooth 22 has engaged bell J ,this stopping being effected by the engagement of the rear tooth of wheel 9 next to the left of its tooth 25 (Fig. 11) with the inside of tooth 27 of bell J. Thus, looking at the front in Fig. 5. at one minute a front tooth of wheel 9 will be seen (as at the left in Fig. 10) in engagement with and stopped by the front and outside of a tooth of bell J. The next minute said front tooth of wheel 9 will have disappeared inside bell J,

having jumped back into the bell through the space between two teeth thereof, and having been stopped by a rear tooth-engagement of wheel 9 and bell J. But at this same second minute the next front tooth of wheel 9 will be seen as having approached toward bell J, not yet having reached it, but opposite the space through which its predecessor has jumped, and in position so that when the rotation of hell J has disengaged the rear tooth-loch, it (the n xt front tooth of wheel 9) will jump against the next front tooth of bell J lying in its path. The above described offset of wheel 9 contributes to this result. Thus the tripping of minute-wheel K is effected sixty times per hour, although the escapement wheels have only thirty teeth each, and although bell J rotates only once an hour. This complete escapement is reliable, compact, and simple, consisting of only two members, which are rotary, and dispensing with all auxiliaries such as crown gears, etc. This simple construction results in minimizing friction and strain on the clock mechanism, and is cheap to manufacture and not liable to get out of repair or require any adjustment.

Hour-wheel escapement.As stated generally above, the tripping of hour-wheel L (which is loosely mounted on shaft H and caused to rotate by the power stored in spring 10) is effected by the operation of minute-wheel K acting through the arm M, (Figs. 5, 7 and 8) by the striking of that arm once every hour against wedge N (Fig. 9) of the mechanism which normally locks the hour-wheel. Spring 10 has one end fixed at 15 (Fig. 8) in the gear 14 which is driven from main spring 2, and spring 10 has its other end fixed at 16 (Fig. 8) in escapement wheel 12, which is fastened to hour-wheel L. During each hour, spring 10 is wound up by the continuous rotation of gear 14:. At the end of each hour, when wheel 12 is tripped or released. indirectly by the operation of arm M against wedge N, the spring 10 forces wheel 12 to partially rotate hourwheel L one space in the direction of the arrow, Fig. 7. This movement is stopped by the engagement of arm 0 of the locking mechanism (Figs. 7 and 9) in one of the slots 6 in hour-wheel L, in which position the hour-wheel is locked for one hour, while spring 10 is rewound.

The further details of the construction and operation of this tripping mechanism are as follows: Cam 13, (Figs. 7 and 8) is formed integral with driving gear 14:, the two being connected by a sleeve as shown in Fig. 8. Escapement wheel 12 (fixed to hour-wheel L) has an elongated sleeve surrounding shaft 8, and it is on this sleeve that gear 1 is loosely mounted. Wheels 12 and L, fixed together by screws 11, are also loosely mounted on shaft 8, wheel L being mounted on the sleeve part of wheel 12. Spring 10 is located in the annular space between said sleeve of wheel 12 and the sleeve which connects gear let and cam 13. The lower screw 11 (Figs. 7 and 8) which holds wheels L and 12 together is extended through a slot 17 in cam 13. The length of this slot determines the angle of rotation of wheels 12 and L when wheel 12 is tripped. Figs. 7 and 8 show the parts just after wheel 12 has been tripped, hour-wheel L having moved in the direction of the arrow, and arm O having engaged one of the slots 6 in wheelL to lock it for one hour. Pawls 29 and 30 are pivoted in bracket 28 of main frame R, their ends a engage with the teeth of cam .13, and their ends I; engage with the teeth of wheel12. End 6 of pawl 30 is (in the locked position of the parts shown) held in the path of tooth 32 of wheel 12. At this time also, end a of pawl 29 is held by its springagainst the back of a tooth of cam 13. Asgear 14 and cam 13 continuously rotate (slot 17 of cam 13 moving to the left, Fig. 7) tooth of cam13 moves down and away from, end a of pawl 30, and the spring of this'pawl moves .its end I) from in front of tooth 32 of wheel 12; also tooth (Z of cam 13 movesforward andraises enda of pawl 29 so that end Z2 ofthis pawl. is forced inwardly to engage the frontof tooth 33 of wheel 12, but there is an interval (during which the pawls leave wheel. 12 free to turn) between the disengagementof wheel 12 from end 6 of pawl 30 and .the engagement of wheel 12 1 with end 6 of pawl 29.. It is in this interval that arm M (fixed to shaft 8) engagesrwith arm N of the lock to move its arm 0 out of slot 6 in hour-wheel L to permit the latter (with wheel 12) to be driven one spaceby spring 10. At the time of tripping, the continuous movement of cam 13 has moved its slot 17 so that itsright-hand end is occupied by screw 11, spring 10 being then fully wound up, and forcing wheels. 12 and L ,to move .as soon as they are releasedbypawls 29 and and by arm 0. The movement of hour-wheel L carries arm M beyond its position of contact with arm N ofthe locking mechanism, and the latter is then moved 7 by its. spring .7 (Fig.5) so that its arm 0 engages in the next slot 6 of hounwheel L, whichslot is nowopposite arm 0 as the result of movement of thehour-wheel. The slot .17 of cam 13 and-the pin 11 of wheel 12 serve tolimit. the motion of wheels 12 and L and to prevent injuryto spring 10; and pawls 29 and. 30 and the locking mecha nism of Fig. .9, controlled by the operation of the minute-wheel K, serve to insure the holding of hour-wheel L in its properposition at all times, save precisely at the hour.

Means are provided for setting the printing wheels in case of accidental stoppage of the clock, as follows: The hands on the clock are set at the proper time. This results directly in setting minute-wheel K in proper position, but not hour-wheel L. Lever 96 (Fig. 7) is moved from its dotted line position-to its full line position to slide on incline w of the locking mechanism (Fig. 9) which moves the latter to one side and causes its arm 0 to move out of engagement withslot e of hour-wheel L. 'During this movement of lever 96, ratchet 97 carried by it, is moved over the teeth of ratchet wheel 20. As above described under the title of Power arrangements, ratchet wheel 20 is interposed in the train of driving gears, (being formed integral with gear 21 which drives gear 14 to wind up hour-wheel spring 10), so that the return of lever 96 to its dotted position (Fig. 7) causes (through its pawl 97 engaging the teeth of ratchet wheel 20) the rotation of wheel 20 and gears 21 and 14, and this results in the above described winding. of spring 10 and tripping of the'hour wheel escapement, resulting as normally in the intermittent operation of the hour-wheel. By repeated operations of lever 96, the hour-wheel is brought into any desired position. This entire hour-wheel escapement mechanism is simple, compact, consists of few parts, and these rotary, and in combination with the separate power spring 10, it constitutes mechanism which is effective without subjecting the other mechanism of, the recorder to unduestrains or verloads.

Card-holder cscapcment.-(See Figs. 1, 1%,15 and 16.)As stated generally above under Power arrangements, spring 42is wound up once a week by a complete horizontalshift of card-holder B by an attendant,and every 2 1 hours the escapement operates to release clutch 43 which carries an end of spring 42, so that the spring operates the clutch member and shaft 4 9 to which it is fixed, thereby turning the pinion P and operating rack 34 which is fixed to cardholder B. The escapement' of cardholder B isoperated by power derived from an intermediate part of the train of gears between main spring drum 2 and the hourw-heel spring 10. That is, alongside gear 21 of that train (F 8 and on the same shaft 5' with thatgear, is mounted a pinion 44 which engages idler 45 (Fig. 14) which drives gear Q, (Figs. 14: and. 15) on shaft 46 which is mounted in mainframe R. Shaft 46 makes one rotation each 2& hours and carries with it a cam 47. .In the positions of the partsshown in Figs. 1416, the card-holder has just been moved one space by spring 412 at the end of 24 hours, the tooth of cam t? having just passed off to the right from tooth j of rocking member 48,

and lower left end f of rocker 48 has been forced down by spring out of engagement with a slot 9 in escapement wheel 7a. The lock of escapement h immediately after the tripping was caused when tooth j of rocking member 48 was depressed by spring so that the upper end f of rocker l8 was forced down into engagement in upper slots 9' of escapement 72. Escapement 1. is connccted'to clutch 43 by pins 61 held in holes 62 by spring 492. so that as soon as cscapement Ft was released. spring t2 turned not only escapement but clutch and shaft 40, but also shifted the card-holder one space.

The further details of the construction and operation of the escapement are as follows: Cam 4'7. continuously rotated by gear 0 carries its tooth to the right beyond tooth 7' of escapement 7. This carries its pin 54L 0 the right. and this. operating in vertical slot of reciprocating member moves the latter to the right and also moves to the right the member a? which is pivoted at to reciprocating member Member 57 carries a )in operating in vertical slot 59 of reciprocating member 53. and in horizontal slot (30 of rocki; member said pin having attached to it the lower end of spring ioclcer l8 p' 'oted at ll), and thus acted on by spring has its left ends f, f forced down, so that as above the lower end is disengaged from the oscapement wheel h, whereupon the latter turns. the card-holder is shifted. and upper end 7', of rocker 48 comes down on a portion of the periphery of escapement h Fig. 16) which is intermediate two of the slots 9. The rest of the movement of wheel ,5 brings its point 70 to end f of rocker 48. movement of 72 is retarded. end 7 moves up and over point 7c. and spring as soon as point 71: has passed f. forced f down into slot g (shown in Fig. 16) thereby locking the escapementfor 24: hours during which cam 47 continues to rotate with the following result. The tooth of cam 47 eventually reaches tooth i of rocker 4:8 meanwhile carrying cam-pin 54 to the left (Fig. 14;) down through slot in reciprocating member thereby moving the latter to the left. and also moving to the left the pivoted member 57. thereby moving lower end of spring so that this spring tends to raise ends f. f of rocker i8: but before it can effect this the cam-tooth 47 reaches rocker tooth 2 and holds rocker l8 and its ends 7". f from movement by spring 52 until cam-tooth 47 passes ed to the left from rocker tooth 2T. whereupon the rocker ends, 7, 7'" are raised, upper end 7 passing out of slot 9 and allowing escapement it to be turned by spring 1-2, and lower end f ris ing up against escapement h and falling into lower slot 9 (Fig. 16) to lock it once more for 24 hours. These operations are repeated for seven days, when as stated, the attendant shifts card-holder B and thereby rewinds spring 42. This operation is as follows. Lever 63 (Fig. 2) is locked inside the clock case, accessible only to the attendant. The latter moves this to the right to the position shown in dotted lines in Fig. l l. thereby moving clutch 4:3 to the left out of engagement with escapenient it. Also pins 61 extending to the left from clutch 4S, engage pawl 6st to prevent unwinding of spring 42. lVith the members in thes positions, card-holder B is free to be shifted to carry with it its rack 34 to operate pinion P and shaft '-fl-() and wind up spring 42 to its original tension. lVhen the attendant lets go of lever 63, spring 42 presses clutch 4-3 back to the right into engagement with escapement h. when the apparatus is ready for another weeks operation;

The principal features of the card-holder mechanism comprise the power spring 49 independent of the main spring drum quick escapement with positive lock. and the arrangement whereby the important parts have rotary movements.

The principal characteristics of the entire recorder are simplicity. compactness and low friction. It does as good work as any time recorder he 'etofore built, and occupies'less space, is cheaper to manufacture. less liable to get out of repair, and can be repaired more readily when necessary.

I claim 1. In a time recorder. the combination with a clock-mechanism, of hour and minute printingavheels; a main driving spring; an auxiliary driving spring for the hour wheel; operating connections between the main driving spring. and the auxiliary spring and the m nute wheel respectivelv: an escapement for the hour wheel. controlled by the minute wheel; an escapement for the minute wheel consisting of two gears. one an ordinary toothed gear mounted with said minute wheel. andthe other a bell-shaped gear. mounted to receive the first gear in its cavity and having teeth on its edge and inclined to conform to the teeth f the first gear; and an operating connection between the clock-mechanism and said bell-shaped gear.

2. In a time recorder. the combination with clock-mechanism. of minute and hour printing-wheels; a driving spring; operating connections between said spring and said wheels respectively; an escapemeiit for the hour wheel controlled by the minute wheel; an escapement for the minute wheel consisting of two gears, one an ordinary toothed gear mounted with said minute wheel, and the other a bell-shaped gear mounted to receive the first gear in its cavity, and having teeth on its edge and inclined to conform to the teeth of the first gear; and an operating connection between the clock-mechanism and said bell-shaped gear.

3. In a time recorder, the combination with a clock-mechanism, of hour and minute printing-wheels; escapements for said wheels respectively; an operating connection between the clock-mechanism and the escapement of said minute wheel; a main driving spring; an auxiliary spring for driving said hour wheel; and operating con nections between the main spring and the minute wheel and between the main spring and said auxiliary spring.

In a time recorder, the combination with a clock-mechanism, of minute and hour printing-wheels; a driving spring; operating connections between said spring and said wheels respectively; an escapement for said minute wheel; an operating connection between the clock-mechanism and said escapement; an escapement for said hour wheel; and an operating connection between the minute wheel and said escapement for the-hour wheel.

5. In an apparatus of the general character described, the combination with an intermittently-operated member, of driving means therefor; and an escapement for said member consisting of two gears, one an ordinary toothed gear mounted with said member, and the other a bell-shaped gear mounted to receive the first gear in its cavity and having teeth on its edge and inclined to conform to the teeth of the first gear.

6. In a time recorder, the combination with a printing-wheel, of a main driving spring; an auxiliary driving spring 'connected to operate said wheel; an operating connection between the two springs; and an escapement for said printing wheel.

'7. In a time recorder, the combination with a clocl -mechanism, of minute and hour printing-wheels; an escapement for the minute wheel controlled by the clock; an escapement for the hour wheel controlled by the minute wheel; a main driving spring; operating connections between said spring, and the minute and hour wheels respectively; a card-holder; a spring independent of the main driving spring, foroperating the card-holder; an escapement forrthe cardholder; and an operating connection between the card-holder escapement and said main driving spring.

8. In a time recorder, the combination with a clock-mechanism, of minute and hour printing-wheels; a main driving spring; a card-holder; a spring independent of the main driving spring, for operating the cardholder; an escapement for the card-holder; an operating connection between said main driving. spring and said card-holder escapement; a clutch normally held with said escapement by said inclependent spring, and means for withdrawing said clutch therefrom to permit the rewinding of said auxiliary spring.

9. In a time recorder, the combination with a clock-mechanism, of hour and minute printing-wheels; a driving spring; an escapement for the minute wheel controlled by the clock-mechanism; an escapement for the hour wheel controlled by the minute wheel; operating connections between the driving spring, and the hour and minute wheels respectively; a cardholder mounted in front of the printing-wheels; an inking ribbon carried on spools on opposite sides of the printing-wheels; a manually operated printing-hammer; mechanism operated by said hammer to feed said ribbon from one spool to the other; a ribbon-reversing mechanism cooperating with said feeding mechanism; anda device carried by the ribbon, and operating said reversing mechanism. V

10. In a time recorder, the combination with a clock-mechanism, of minute and hour printing-wheels; a driving spring mounted on a shaft inside a toothed drum; operating connections between said spring and said wheels respectively; an escapement for the minute wheel controlled by the clock-mechanism; an esoapement for the hour wheel controlled by the minute wheel; the winding mechanism for said spring comprising a winding shaft mounted at right angles to said springdrum shaft, and intermeshing spiral gears fixed on said respective shafts.

JACOB SOKOLOV. Witnesses:

LOUISE M. BRUNS, ALDEN C. ANDERSON.

Copies of this patent may be obtained for five cents each, by addressing the (Commissioner of Patents,

Washington, I). G.

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