US925805A - Adding and listing machine. - Google Patents

Description

U. W. GOOCH. ADDING AND LISTING MACHINE.

APPLIOATION FILED my. 1. 1909.

Patented June22, 1909.

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ADDING AND LISTING MACHINE.

. APPLICATION FILED MAR 1, 1909. K 925,805. Patented June 22, 1909.

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APPLICATION FILED MAR. 1, 1909. 925,805

Pa-tented June 22, 1909.

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MACHINE COMPANY, OF DETROIT. MICHIGAN,

ASSIGNOR TO BURBOUGHS ADDING A CORPORATION OF MICHIGAN.

ADDING AND LISTING MAHINE. l

Specification of Letters Patent.

' Patented June 22,1909.

Application filed March 1, 1909. Serial No. 480,497.

To all whom it may concern: 1

Be it known that I, CLAIBORNE W. Goooii, a citizen of the United States, residing at liynchburg, in the county of Campbell and State of Virginia, have invented certain new and useful Improvements in Adding and Listing Machines, of which the following is a specification.

This invention relates to that particular type of adding and listing machine which in the trade is termed a split and-normal machine because of its capability of being split or divided into sections as to its printing mechanism for the listing of two or more columns at once, though such machine normally will operate to the full capacity of its keyboard in listing a single column. F or an exemplification of such a machine refer ence may be had to my prior patent No. 825,205, issued July 3, 1906. The machine shown in this patent besides having above-mentioned capabilities is also equi ped for special manipulation to cause the e imination of total printing at the fOo; of one of two columns listed under a split adjustment Though the special "device vides for connection .or disconnec'tion'of impression devices is therein said to, be capable of varied arrangement so as to"locate-thel point of split or subdivision between any do; nominations or decimal places desired, the;

construction shown in said patent does not provide for varying the location of the so called split at will by manipulation on'the' art oi the user of the machine but-1a changed ocation in that prior construction"" would re quire a i'eassemblin'g of parts. although inthat prior paten 1:, I more than one of the special devices or v couplings might be employed so as to provide for splitting or subdividing at more than one point at the same time, yet itwas not made optional with the user ofthe ma chine to vary the number ofpoints of-rs lit or subdivision. The art has, however,-a ready advanced somewhat beyond what is disclosedin said atent for in Letters Patentof Great Britain. 0. 27,269 of 1907f'to George B. Putnam, may be seen a construction; ap

plied to the same character of machin as shown in my aforesaid patent, whichconstrufition provides for varying the location oft t e the Furthermore,

is said that 'sion device farther tothe left.

split atthe will of the operator and also for correspondingly eliminating' total printing at will under'one of two columns sted. Q In both of these rior constructions elimination of thetotal printing is only possible under one'certain column or columns, no provision being made for selection by the user of the column or columns at the foot of which no total rinting is to appear.

One object 0' the present invention is to provide for all sorts. of conditions that may arise in regard to the character of the items listed in different columns so that a total can be printed or not at the foot of any column or columns desired whether located to the right or to the left of the point of split. In other words the invention aims to give the machine unlimited capacity not only as to location of the point or points of split and the number thereof, but also as to whether or not totals will be printed at the foot of the columns. Thus it is proposed to provide for each denoininational order or decimal series of amount keys in a multiple key bank machine, except the last such series to the right, a special device for manipulation by the user, which device can be adjusted to any one of three positions, first to permit the normal or customary cooperative action of impression or printing devices which effects the filling in of, ciphers in a decimal place or places to the 1 right wherein no digit or digits are to appear,

second to eliminate such cooperative action and third to prevent the printing of a total. The adjustment of any such inanimilative ffdevice to the third position effects the elimifnation of total printing to the right of the point of split marked or denotedby the particular device .so adjusted; To'provide for elimination of total printing-at the foot of a column at the extreme left or in which iniprints are made by reason of depression of amount keys of the left-most bank or series, an additional manipulative device Wlll be provided whichis only re uiredto have two adjustments for, as to this left most bank,

there need be no adjustmentwhich, like the second adjustment of the oth er iFdevices, would discontinue cooperative-"action of impression devices, because there is no impresjustments of this extra device will theretor inerel provide first fonpermitting the printin o a total at the foot of the left-hand co and second preventing the printing of siih total.

I 1 carrying out the invention in'the'form The two adwith regard to a here shown the. a im has been to provide a thoroughly practical construct-ion comprising parts easy to manufacture in quantities by well-known processes and easy to assemble in- 5 a standard adding and features of construction and combinations of parts, the essential elements whereof are recited in the appended claims and a preferred form of embodiment of which is described in detail hereinafter and fully illustrated in the 0 accompanying drawings forming a part of this specification.

Of said drawings Figure 1 represents in left side elevation an adding and listing machine of the type shown in the above-mentioned. patents, the same having applied to it 3 left side; 1

splitting parts for carrying out the present invention, the mechanism throughout being at normal; Fig. 2 is a vertical section of the machine taken from front to rear and looking from the ig. 3 is a horizontal section taken substantially on the line 33 of Fig. 1; Figs. 4, 5 and 6 are similar detail sectional views illustrating the three different adjustments of manipulative devices which control the and total printing, parts being broken out in all these views to provide for a larger scale and at the same time economize space; Fig. 7 is a detail plan view taken substantially on the line 7--7 of Fig. 2; Fig. is

a detail vertical section taken substantially chosen for purposes 3 stated previously-enemplified in sdst'atcs and British patents.

on the line S8 of Fig. 3; and Figs. to 18 show various examples of work which the machine is adapted to perform.

The machine proper of the type here of illustration, does not require detailed description. It is the wellknown Burroughs machine shown in the above-mentiorned patents and as therein both United Certain familiar parts of such machine will, however, be enumerated in order, to make clear the mode of cooperation therewith of new parts ,provided for the purpose ofcarrying out the present invention.--

A segmental series of type plates 618 are as usual carried upon the rear ends of levers 611 Whose forward ends carry segmental racks 610 normally upheld by latches 415 and a restoring frame 613. Upon operation of theijmachineresulting' in the lowering of said restoring frame the levers 611 move one step whether or not amount keys are depressed and thus the cipher types are brought the printing liner In case of depression of j'acent latch had only the amount keys the latches 415 mined by the particular :uuount keys de pressed The racks cooperate with adding pinions 916 in the usual manner, being ongaged therewith during ascent in the case of itemizing and during d scent in the case of totaling and clearing and during both descent and ascent in the case oftotaling without clearing, i. a, subtotaling. Printing hammers 715 cross rod 701 and adapted to be driven against the type plates 618 by driving levers 716. under the impulse of spiral springs 780. A bail 712 normally retracts the driving levers 716 and consequently the hammers, said bail being vibrated in every operation of the machine so as to permit the firing of such hammers as may be released after the said bail has retreated. Latches 717 normally overlie the tips of the driving levers 716 to restrain the hammers, these latches being pivoted upon'a cross rod 700. Pawls 718 are pivoted upon the cross bar of a bail 704 which vibrates in each operation of the machine and these pawls are connected with the hammer driving levers 716 by the springs 780 so that said springs, besides actuating the hammers, serve to hold the pawls yieldingly.

in engagement with the upper edges of the latches in front of shoulders thereon. The forward upturned ends or tails of the pawls lie just in rear of cam edges of the lovers 611 so that unless such levers move far enough to present digit types at the printing line the pawls will be disabled when the bail i swings forward. Otherwise the pawls act to displace the latches and release the hammer drivers'and hammers. i

All of the above-designated parts are those familiarly employed in machines of this type and the mode of operation referred to is the familiarone. The common way of providing for the automatic filling in of ciphers was to construct the latches 717 with tails overlying adjacent latches from left to right as referred to in my previous patent, it being obvious that the rocking of a latch by reason of release the racks and they descend distances dcter-' are pivoted as usual upon a the associated lever 611 having swung to prei i sent a digit type at the printing line, would cause the rocking of the adjacent latch to the right if the lever 611 associated with that admoved to present a cipher type at the printing line. In carrying out the present invention such overlying tails are dispensed with and connections provided between the latches which may or may not causev the successive tripping. Thus to each latch to the rear of the shaft 700there is pivotally' attached an irregular-shaped bar or pitman 2 which extends up between the levers 611 and through apertures in a guide plate 3 secured at the top of the machine in rear of the keyboard. Portions of these pitmen protruding upwardly through said guide likewise shouldered on the right-hand side.

The pitmen lie edge .to edge and the lastmentioned shoulders 4 are normally flush with the upper surface of the plate 3 and such shoulders of all the pitmen except the right-most one confront the upper shoulders 5, a lower shoulder 4 of one pitman confronting an upper shoulder 5 of the next adjacent pitman to the right but with a considerable space .between.

Between the usual key- board plates 212 and 213 are arranged slide strips 6 extending from front to rear and each having pivoted to its rear end a-piece 7 extending between adjacent pitmen 2 through the spaces bounded top and bottom by the beforemen tioned shoulders 4 and 5. These pieces 7 have wide portions 7 adapted to completely fill such spaces but just forward of such wide ortions are narrow portions or necks 7 50 long as the wide portions 7 occupy said spaces it will be seen that the lifting of a pitman by reason of the rocking of its latch will cause its shoulder 4 to lift the filler piece 7 and through the latter the adjacent pitman bell crank lever, 227 is pivotally connected,-

to theright and so on through the series, the effect produced being the same as that in the case of the-common overlapping tails hereinbefore mentioned. Any filler piece 7 may,

however, be moved rearwardly by its slide I strip 6, the bottom of the Wide part 7 a sliding on the upper surface of the plate 3 and such movement carrying said wide part out of the space between the pitman leaving only the narrow part or neck 7 in such space as shown in Fig. 5. Then the lifting of the associated pitman would not result in the lifting of the pitman to the right for the lower shoulder 4 would have a space to move through and that space bounded at the top by the under-edge of the narrow portion or neck 7", is sufficient to provide for full independent movement of the pitm-anand its latch. Thus the tripping forcipher printing purposes would be revented andthe so-called split established. Of course it will be obvious that with a slide strip 6. aridfiller piece 7 for each bank of keys as lit can be located at any point desired ant furthermore any number of points of split can be established and any desired comoming now to the matter of eliminating total imprints thenumeral 227 designates.

the usual total "key bell crank lever connected by a link 911 with pitman 914, and 227' designates the subtotal bell crank lever oper ating upon the total bell crank lever through the medium of a bar 227 Fig; 1. A rearwardly-extending link 226 coupledto the with a depending arm 9 of a yoke frame 10 loosely joumaled on the rock s aft 207 which lines, Fig. 2).

the arms 13 are pivotally connected rods 15' cult {carries the usualkey-restoring bail. Said yoke frame has a rearwardly-prejecting arm 11 to which is pivotally connected the upper end of a link 12, the lower end of which is pivotally connected to an arm 13 secured to a rock shaft 14, which rock shaft carries a similar arm at its right-hand end, (dotted To the forward extremities of which extend up in rear of the middle portion of the plate 3 and are secured to a horizontally-disposed cross head or bar 17, the latter having depending guide studs 18 working in apertures of said plate 3, (Figf 3); Said bar is preferably made angular throughout its middle portion for strength. It will be obvious, that through the above-described connections depression of either the total or subtotal key Wlll result in the lifting of said cross head or bar 17 and that the release .of either total or subtotal key and its return to normal will be accom a-nied by the lowering of said cross head or bar though in order not to impose too much work upon the usual spring which returns the total keys an additional spring 19 will preferably be connected to an upstanding arm 2() on the rock shaft 14 as shown in Fig. 1.

The filler pieces 7 in rear of their wide portions 7 a are formed with shoulders 7 adapted when the filler pieces are moved totheir extreme rearward position to engage over the cross head or bar 17 as shown in Fig. 6. It will be obvious that when so engaged with such cross head or-bar lifting of the latter will cause an upward swing of the filler iecewhich, acting uppn the upper shoul er 5 of the associated pitman will lift the same and thus displace the corresponding latch 717 prior to the commencement of an operation of the machine. Consequently when such operation begins and the bail 712 retreats it will be followed by'the hammer driver and the hammer will move rearward without a percussive action and withouteffecting an imprint. This general mode of disabling hammers is explained in the be.- fore-mentioned Letters Patent of Great Britain. It is obvious of course that the lifting of a latch in this manner will cause the lifting of latches to the right and elimination of imprints throughout asection .or subdivision.

The slide strips 6 are preferably arranged to be manipulated from the front part of the keyboard. As the pitmen are necessarily closely assembled the slide strips, if extending simply in line therewith, would be diffito separately manipulate. Consequently, they are variously off-set, as clearly shown in Fig. 3, the off-set portions-of the two outside strips extending between stems of the amount keys 2-93: It will be seen that this provides for spreading apart the forwardends of the strips far enough for conupper side's seating in sockets of blocks 24 from which project upwardly linger pieces 25-through slots in a cover plate 26. The latter as shown in Fig. 3 is suitably inscribed with numerals to denote the di'llercnt slide strips as belonging to dil'l erent denominzn 'tional ordersor decimal series of amount keys, Furthermore, there is inscribed upon this plate in vertical series the words hon,

mal, Split and No total/Y With the finger pieces at the forward ends ol their slots as shown in Fig. 3 the machine is normal, that is to say operates in the ordinary way to simply list one solid column. To provide fora split at any point the appropriate'finger piece is pushed back to the middle position alining with the inscription Split. Should it be desired to eliminate the total to the right of any such point of split then the finger piece is moved all the Way back or to a position in alinement with the inscription No total. In order to provide for elimination of the total in an extreme left-hand column an extra slide strip 6? is provided which has at its rear end a filler piece 7 of the same construction as the previousiy-described filler pieces but normallyoccupying a position farther rearward, that is to say a position corresponding with the split position of any of the other filler pieces. The finger piece 25 of this extra slide strip projects through a shorter slot in the plate 26, there being no occasion for this extra finger piece occupying a position corresponding with the foremost positions of the other finger pieces. v. hen

pushed rearward this extra ringer piece carries its slide and filler piece rearward. to connect with the cross head or bar 17. The series of blocks 24 are conveniently assembled over a guiding cross-rod 27, and the top keyboard plate 212 .is opened up or slotted suficiently to receive them and allow for the necessary sliding movement.

It will be noted that the form or" means throu hout and the relative arran ement are D such as to interfere with none of the regular parts of the machine and also such as to present no serious problems in the matter oi assemblage, while at the same time no appreciable extra space is required to accommodate the new parts and they are easily accessible.

It will further be seen tli at the rimary obiect of roviding unlimited'faci ities in the way at ocation and number and combinations of splits and elimination of'total imprints, is thoroughly accomplished by the above-described constructipn. Also. it is to be observed that thespemal keys or finger pieces are located at the top of the machine along the front where they can be most conveniently manipulated and where they can be most intelligently used as related denominationally to the rows of amount keys.

\Vhile the above-described construction is thus well adapted to fulfil the various ob jects stated at the outset, it must be borne in mind that the invention is not necessaril limited to the particular form of embodiment hero shown but considerable modification may be practiced and much variation in adaptation to ditlerent types of machines, without going outside the scope of the invention.

hat I. claim is:

1. In machine ol' the character described, the combination of impression devices cooperatively related for automatic filling in of ciphers, means for interrupting at will the cooperative relationship at a predetermined point or decimal place, total printing means, and means for preventin the print ng of a total at will to either side of the point of interruption.

2. In a machine ol the character described, the combination of impression devices cooperatively related for automatic filling in of ciphers, means for interrupting at will the cooperative relationship at a predetermined point or decimal place, total printing means and means for preventing the printing of a total at will to either side or on both sides of the point of interruption.

3. In a machine of the character described, the combination of impression devices cooperatively related for automatic 'filling in cl ciphers, means for interrupting at will. the cooperative relationship at two or more different points or decimal places at once to provide for printing three or more columns, total printing means, and means for preventing the printing of a total to either side of either point of interruption.

a. In a machine of the character described, the combination of impression devices cooperatively related for automatic filling in of ciphers, plural means independently operable l'or interrupting at will the cooperative relationship at two or more diil'erent points or decimal places at once to provide for printing three or more columns, total printing means, and means for preventing the printing of a tiinal to either side of either point of interruption.

5. ln-a machine of the character described,

in and totaling devices cooperating with said adjustable means.

6. in a machine of the character described,

the combination of impression devices .operatively related for the automatic filling in of ciphers, means adjustable to interrupt such cooperative action at two or more points or decimal places at once and further adjustable to provide'for elimination of total their .printing to either side of either point of intrip ing and saidmembers being further disp aceable, and totaling mechanism with connections for cooperating with any such further displaced member or members .to trip latches. v

. 8. In a machine of the character described, the combination of a battery of spring-actuated printing. hammers, hammer-retracting means, latches for restraining said hammers, means for individually tripping latches when the retracting means have retreated, connecting means between the latches for causing one to trip another, said latter means including movable members independently manipulative Which when displaced interrupt successive tzgpfping of one latch by another at two or more erent oints, and said members being further disp aceablc, and totaling mechanism with connections for cooperating with any such further displaced member or members to trip latches while the hammers are held back by the retracting means.

9. In a machine of the character described, the combinationof printing hammers, latches normally restraining the same and having parts with confronting portions spaced apart to provide forindependent movement of any latch, means for individually displacing the latches, andseparately manipulative filler pieces normally occupying the spaces between the confronting portions of the latch arts to provide for the displacementof atches one by another, said filler pieces being movable to open such spaces and interrupt such inter-dis lacing action.

10. In a mac 'ne of the character described,

the combination of printing hammers, latches normall restraining the same and having parts with confronting portions spaced apart to provide for independent movement of any latch, meansfor individually displacing the latches, and separately mani ulative slides car movably mounted ii ler pieces normal l y occupying the spaces between the confronting portions of the latchpartsto provide for the displacement of latches one by another, movement of such filler pieces by the slides opening such spaces to interrupt the inter-displacing action of the latches. A

11. In a machine of the character described, the combination of printing hammers, latches .normally restraining the same and having coupled to said latches respectively and adjacent pitmen having confronting edges spaced apart, and slides having filler pieces normally occupying the spaces between such confronting edges but movable by the sides to open such spaces; substantially as and for the purpose described.

13. In a machine of the character described, the combination ofprinting hammers, pivoted latches restraining the same, pitmen coupled to said latches respectively and adjacent pitmen havin confronting edges spaced apart, indepen entlymovable slides, and filler pieces pivoted thereto and normally occupying the spaces between such confronting edges but movable by the slides to open such spaces; substantially as and for the purpose described.

14. In a machine of the character described, the combination of printing hammers, pivoted latches restraining the same, pitmen coupled to said latches respectivelyand adjacent pitmen having confronting edges spaced apart, independently movable slides, and filler pieces pivoted thereto and extendi'ng between adjacent pairs of pitmen and having wide portions normally filling the spaces between the confronting edges of the pitmen and norrow portions adapted to permit independent movement of pitmen when the slides are shifted.

15. In a machine of the character described, the cpmbination of a battery of spring-actuated printing hammers, hammer-retracting,

.normally occupying the s aces between the confronting ortions of t e latch parts to .rovide for t e.dis lacement of latches one y another, said er ieces being movable to 0 en such spaces an interrupt such interdisp facing action and being further movable to co-act with totalin connections, and totaling mechanism 'wit connections for act- I mgon any filler piece or pieces so further oted latches restraining the same, pitmen I the combination of a battery of spring acti1 moved, to displace latches While thehammers are held back by the retractingmeans. 1

opening such spaces to interrupt the interdisplacing action of the latches and further movement of the slides bringing the filler pieces into cooperative relation with totaling connections, and totaling mechanism with connections for acting on any filler piece or pieces so further moved, to displace latches while the hammers are held back by the retracting means,

17. In a macl 'ne of the character described,

ated printing hammers, hammer-retracting means, latches for rest-raining said hammers, means for individually tripping latches when the retracting means have retreated, latch parts having confronting portions spaced apart, separately manipulative slides carr ing pivotall mounted filler pieces normal y occupying t e s aces between the confronting portions of the latch partstd provide for the displacement of latches one by another, movement of such filler pieces by the slides opening such spaces to interrupt the inter-- displaclng'action of the latches and further" movement of the slides bringing the filler pieces into cooperativerelation with totaling connections, and totaling mechanism'with connections for acting on an filler piece or pieces so further moved, to isplace latches while the hammers are held back by the retracting means. v

. 18 In a machine of the. character described, the combination of a battery of spring-actuated printing hammers, hammer-retractin means, pivoted latches for restralnmg said hammers, means for individually tripping latches when the retracting means-have retreated,pitmen coupled to said latches'respectively and adjacent pitmen having eonfronting edges spaced apart, slides having filler pieces normally occ-u ying the spaces between such confronting edges but movable by the slides to 0 en such spages and further movable by the s ides to co-act with totaling connections, and totaling mechanism with connections for acting on any filler piece or pieces 'so' further moved, to displace latches While the hammers are held back by the retracting means.

19. In a machine of the character described,

:mmoyu the combination of a battery of spring-actuated printing hammers, hammer-retractin means, pivoted latches, for restraining sai hammers, means for individually tripping latches when the retracting means have re-' treated, pitmen coupled to said latches respectively and adjacent pitmen having con fronting edges spaced a art, independently movable slides, and filer pieces pivoted thereto and normally occu ying the spaces between such confronting e ges but movable by the slides to 0 en such spaces and further movable by the s ides to co-act with totaling connections, and totaling mechanism'with connections for acting on any filler piece or pieces so further moved, to displacelatches while the hammers are, held back by the retracting means.

20. In a machine of the character described, the combination of a battery of'spring-actuated printing hammers, liammer-retracting means, pivoted latches for restraining said 'hfammers, means for individually tripping laltclies when the retracting means have retreated, pitmen coupled to said latches respectively and adjacent pitmen having confronting edges spaced aiart, independently movable slides, and filler pieces pivoted thereto and extending between adjacent pairs of pitmen and having wide portions nor- ;mally filling the spaces between the confronting edges of the pitmen and narrow portions adapted to permit independent movement of pitmen when the slides are shifted, said fillerpieces being further shiitable by the slides and having shoulders to then co-act with to- I taling connections, and totaling mechanism .with connections for acting on any filler piece or pieces sofurther moved, to displace latches while the hammers are held backby the retracting means. i

2 1, In a machine of the character described, the combination of a battery of spring-actuated printing hammers, hammer-retracting means, pivoted latches for restraining said hammers, means for individually trip ping latches when the retracting means have retreated, pitmen coupled to said latches respectively and adj aeent pitmen having confronting'edges spaced a art,.independently movable slides, and ler pieces pivoted thereto and extending between adjacent pairs of pitmen and having wide portions normally filling the spaces between'the con- -frontin'g'edges of the pitmen and narrow por-,

tions adapted to permit inde endent move-' Y merit 'ot pitmen when the sli es are shifted, said gfiller pieces being further shiftable by the slides andhaving shoulders to then coact with totaling connections, and'totaling mechanism with connections for acting on any filler p'iece or ieces so further inoved, to displace latches vihile the hammers are held back by the retracting means, said connections including a reciprocating bar adapted to act'upon the shoulders of the filler pieces.

i to rear between the plates. and having hanl dles or finger pieces protruding from the up- 22. Ina machine of the character described, per keyboaro plate at the front, printing dethe combination of a battery of sprin'g-actu- 1 ated printing hammers, hammenretracting latches when the retracting means have retreated, pitmen coupled to said latches re spectively and adjacent pitmen having confronting edges spaced apart, independently movable slides, and filler pieces pivoted thereto and extending between adj acent pairs of pitmen and having wide portions normally filling the spaces between 'the confronting edges of the pitmen and narrow portions adapted to permit independent m'ovement of pitmen when the slides are. shifted, said filler pieces being further shif-table by the slides and having'shoulders to then co-act with totaling connections, and totaling mechanism with connections for acting on any filler piece or pieces so further moved, to displace latches while the hammers are held back by the retracting means, said mechanism and connections comprising a key lever, a bell crank, a link connecting the latter with the key lever, a rock frame connected with the bell crank, rods, supported by the rock frame, and a cross-bar carried by the rods and adapted to act upon the shoulders of the filler pieces.

23. In a machine of the character described, the combination of keyboard plates, rows of amount keys therein extending from front to rear, slide strips or bars extending from front vices cooperatively related for the filling in of ciphers, and means connected with the means, pivoted latches for restrainmg said hammers, means for individually tripping rear ends of said slide strips for interrupting the cooperative action at one or another point.

24. In a machine of the character described, the combination of keyboard plates, rows of amount keys therein extending from front to rear, special keys protruding at the front of the upper keyboard plate, operating connections extending from said special keys rearward under said plate, printing dwices c0- operatively related for the filling in of ciphers, and means operated by said connections to interrupt the cooperative action at one or another point.

25. In a machine of the character described, the combination of a top plate, rows of amount keys extending from front to rear thereof, special keys along the front of said plate, slide strips or bars extending rearwardly from said special keys under said plate, coupling devices connected to said strips or bars to the rear of the amount keys,

and printing devices below said coupling de- Vices and comprising latches connected therewith.

CLAIBORNE W. GOOCH.

Witnesses: W. EARL LEEVER,

V. W. YOUNG.

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