US2330689A - Register - Google Patents

Description

p 1943- L. P. CROSMAN 2,330,689

REGISTER Original Filed Nov. 29, 1941 6 Sheets-Sheet 1 v 'IIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIIII;

Sept. 28, 1943. c os 2,330,689

REGISTER Original Filed Nov. 29, 1941 6 Sheets-Sheet 2 Sept. 28, 1943. c os 2,330,689

REGISTER Original Filed Nov. 29, 1941 6 Sheets-Sheet 5 Sept. 28, 1943. L. P. CROSMAN 2,330,689

REGISTER Original Filed Nov. 29, 1941 6 Sheets-Sheet 4 x INVENTOR W WZ nos/p fa @2Ww JW mm A Sept. 28, 1943.

L. 1 CROSMAN 2,330,689

REGISTER 1 Original Filed Nov. 29, 1941 6 Sheets-Sheet 5 Jur 7 3 Sept. 28, 1943.

L. P. CROSMAN REGI STER Original Filed Nov. 29, 1941 6 Sheets-Sheet 6 n A S Patented Sept. 28, 1943 REGISTER Lorin; Pickering Crosman, South Orange, N. J.,

assignor to Monroe Calculating Machine Company, Orange, N. J a corporation of Delaware Original application November 29, 1941, Serial No.

Divided and this application November 25, 1942, Serial No. 466,936

3 Claims.

The invention has relation to registers and more particularly to the clutch engaging and digit key latching means of a motor driven registering machine, the present application being a division of application Serial Number 421,016, filed November 29, 1941, relating to operation control mechanism.

The invention consists in the novel construetion and combination of parts, set forth in the appended claims.

In the accompanying drawings, illustrating the invention:

Fig. 1 i a vertical section of an adding listing machine embodying the invention, said section being taken through the digit value keyboard.

Fig. 2 is a right side elevation of the operating keys, the sign control slide and associated parts.

Fig. 3 is a detail plan view of the clutch release slide.

Fig. 4 is a detail right side elevation of the quick stroke slide and associated parts.

Fig. 5 is a detail plan view of the operation control slides and associated parts.

Fig. 6 is a right side elevation showing the accumulator meshing means, the slide controlling the digit index bars, etc.

Fig. 7 is a fragmentary bottom plan of the digit value and operating keyboard, showing certain interlock mechanism.

Fig. 8 is a similar view of the operation key interlocks.

Fig. 9 is a detail left side elevation of a portion of the operating train.

Fig. 10 is a right side elevation showing the accumulator zeroizing slide and associated total mechanism.

The invention is shown as applied to a machine similar to that disclosed in United States Patent No. 1,932,013, issued October 24, 1933, to Loring P. Crosman, and entitled Registers. The printing mechanism illustrated forms the subject matter of an application for patent, Serial Number nected each with a digit index bar 6I5, and the rearward arm being pivotally connected each with a type bar 6H 01 the printing mechanism. The actuators 6I0 are normally held under restraint of a series of zero latches 2I4, each zero latch being releasable upon depression of any key 2I5 in the same column by means of a slide 2I3. Upon operation of the machine, and movement of frame BIB, the released actuators will be rotated counter-clockwise until stopped by contact oi a lug of the related index bar 6I5 with the stem of the depressed key, thereby registering the value of said key in the related accumulator wheel and setting the type bar 6| I into position to print the digit.

Addition Addition is effected by the depression of a motor key II4 (Fig. 2), the stem of which is provided with a cam surface 40, acting in the depression of the key to move a slide 4I forwardly, thereby operating a bell crank lever 42 having a roller 43 engaging a notch formed in a spring operated slide 44, illustrated also in Figs. 3 and 4. Slide 44 is provided with 8. lug 45, which, upon depression of key H4 and operation of slide 44,

will engage with the upper arm of a pivoted latch H2, thereby releasing the clutch control lever I06 from said latch, whereupon said lever will be moved counter-clockwise by its spring, an insulation roller I09 on said lever thereupon acting to close a switch II 0 in the circuit of an electric motor I00. In this movement the lower end of lever I06 will be disengaged from the tail of a spring urged clutch pawl I03, allowing said pawl to fall into engagement with the driving clutch member I04, driven by motor I00. Pawl I03 is mounted upon a plate I05, this plate being rotated counter-clockwise upon engagement of the clutch. Plate I05 is connected by link I08 with a lever 3I6, fulcrumed upon shaft 30I, rotation of the plate serving to reciprocate said lever, the shaft 30I, and a cam 3I8, which operates to effect reciprocatory movement of frame BIS, in known manner. 7

The wheels of the accumulator 413 are rotated additively upon the return stroke of the actuators 6I0, the timed meshing and unmeshing of the accumulator gears being controlled by mechanism disclosed in United States Patent No. 2,055,623 granted September 29, 1936, to Loring P. Crosman, and entitled Calculating machine.

As shown in that patent, the accumulator pinions 403 (Fig. 1) stand normally in mesh with the segment gears of actuators (N0, the accumulator shaft 412 being mounted in guide slots of the machine frame so that the accumulator assembly may be moved radially of the actuators,

to mesh and unmesh the pinions 403. As shown in Fig. 6, the shaft 412 is adjusted by means of toggle linkage in, one member of which is fast upon a rock shaft 2. The linkage is held in either of two adjusted positions by means of a toggle spring ll. Fast upon shaft 2 is a plate 4! 9, having yieldable spring connection 4 with an arm 5 provided with a lateral flange 22, and

, pivoted at 33 upon said arm is a switch 6, flange 22 and switch 6 lying in the plane of a roller 1 I fixed upon lever sit.

In additive operations roller 71 will contact with a cam surface 2| of switch 6 and thereafter with the rear end of flange 22, whereby arm 5 will be raised, thus rocking shaft 2 and linkage II), to uninesh the pinions 403 of the accumulator before the actuators are allowed to move. During the forward movement of actuators 6), arm 5 will be held in raised position by engagement of roller l with the lower surface of flange 22. At the end of the forward stroke, roller I! will lift the forward end of switch 6 away from a lug 2d of arm 5, and will thereafter move out of contact with the switch, which will return into normal relation with the arm. Upon the return stroke of the operating mechanism, roller 7 will engage a cam surface 23 of switch 6, restoring arm 5 and the parts 399, Md and s12 to original position, remeshing the pinions 403 with the segments to effect the registration.

The forward movement of slide Li t to engage the clutch will serve to lock key iii-l in depressed position, by engagement of an ed e portion of said slide with a shoulder it (Fig. 6) of the key stem, thus holding the key in depressed position until restoration of slide 35, as hereinafter explained. Forward movement of slide 46 also serves to lock other operation keys in raised Position, adjacent portions of the slide coming into position below the key stems. In order to prevent an erroneous Operation of the machine from a rapid or incomplete operation of the motor key, a quick stroke slide d! is provided (Fig. 4), normally held in rearward position, against the tension of a spring, by engagement of a lug 48 of said slide with the .end of slide 44. A bail B9 underlies the stem of key H4, and is displaced thereby when the key is depressed, bringing an edge of the ball into position to engage a shoulder 50 of slide 41. Thus, when key H4 is properly operated, slide 61 will be prevented from moving forward under the influence of its spring, whereas in case key 4 is depressed suiilciently to release slide from roller 33, but is not held long enough to be engaged by slide 46, the restoration of the key by its spring 5! will allow the spring bail 49 to rise out of the path of shoulder 50, and slide 41 will move forwardly. The forward movement of slide 4? will rock a bell crank lever '52 clockwise as viewed in Fig. 4, bringing one arm of said lever into position to be engaged by a shoulder 53 of slide 54, thus locking said slide in partially operated position and leaving latch H2 in engagement with clutch control lever I06. Thus misoperation of the machine will be prevented, and the parts will be held in inactive position until slide 44 is retracted by a manual operation hereinafter set forth.

In machines of this character, erroneous registrations are sometimes made by th failure of the operator to fully depress one of the digit entering keys 2": and according to the present invention means are provided whereby a semi-depressed key will be locked in its semi-depressed position. and whereby under these circumstances the engagement of the clutch I 03, I 94 will be prevented.

Each column of digit keys is provided with a latching slide 54 (Figs. 1 and 7), movable forwardly upon depression of a key, by means of a cam surface ofthe key stem, into engagement with an intermediate locking shoulder 55 or with a full depression locking shoulder 58, slide 56 being held in engagement with one or the other of these shoulders by means of a retraction spring 57. Forward movement of slide 55 upon depres-' sion of a key 2l5 will bring a beveled end of the slide into register with a notch formed in a transverse slide 58, so that if the key is latched in partially depressed position slidebd will prevent any considerable transverse movement of slide 58.

Slide 58 engages one arm of a bell crank lever 59, fulcrumed upon a frame plate of the keyboard and having link connection 60 with a pawl 6! carried upon the end of a bell crank lever 62 which is also fulcrumed upon the frame plate. A

spring 63 normally holds the parts 58, 59, B0 and 6! in position in which the pawl 6i engages a pin 66 fixed in the slide 56, and upon release of said slide pressure will be exerted thereby to move slide 58 toward the left. Thus upon operation of the add key lid, if any of. the digit keys 2l5 are locked in partially depressed position, the slide 58 can be moved only a short distance to the left, and pawl 'Bl, through pin 66, will hold slide 46 in partially operated position, wherein roller 43 will rest on top of the slide, but wherein latch i l 2 will not be disengaged. In this position of the parts key H will be locked down and the other operation keys will be inoperative because of the provision of suitable interlocks, to be described hereinafter, and further because of the locking action of slide 1%. Therefore, the machine will remain at rest until the keyboard is manually cleared or until the partially depressed key or keys are fully depressed by the operator. Upon full depression of the keys, slides 54 will be allowed to move rearwardly, into engagement with the shoulders 5t of the keys, freeing slide 58 and the train of mechanism between said slide and the slide 64, whereupon the latter slide will be operated by its spring to disengage latch H2 and effect engagement of the clutch. Slide M will also engage a rearward extension of pawl 6i, effecting positive restoration of slide 58.

Near the end of the cycle of operation of the machine, and after actuators 6H3 have been brought to rest, means will be operated for releasing the set digit keys 2i5 and the operation key, for disengaging the clutch and for restoring the control elements to normal position. For this purpose an antifriction roller mounted on a lever 65 (Fig. 10) will be engaged by a cam projection of plate I05, and rocked clockwise against tension of a spring 86. A lever 67 is connected to lever 65 by a spring 88, lever 51 extending upwardly into the path of movement of the lug 45 of slide 46. Displacement of lever 65 by the cam surface of plate I05 will therefore retract slide 44 to and rearwardly beyond its normal position of rest, this extra rearward movement being utilized to clear the digit keyboard. For this purpose a 1 pin 69 on slide 44 is brought into contact with one arm of a lever 10 (Fig. 7) intermediately fulcrumed upon a frame plate of the keyboard, rocking said lever into contact with a shutter plate H (see also Fig. 1) having lugs engaging shoulders of the slides 56. Slides 54 will thus be moved forward, releasing the keys 215 from depressed posi= tion and allowing them springs Retraction of slide 44 will also unlock the operation key and will allow roller 43 to fall into latching engagement with said slide.

If repeat operations are to be performed, the operator maintains'flnger pressure upon the add key H4, whereby roller 43 is held out of enga ing position with slide 44, so that when, during the final portion of the cycle, the roller 0! lever 65 drops from the highpoint of the cam of plate I05, lever 81 will be moved forwardly and slide 44 released for forward movement, providing for a second cycle of operation of the machine. When to be restored by their key H4 is so held a portion 12 or the key stem (Fig. 6), lying opposite the locking shoulder 46. will prevent retraction of slide 44 rearward beyond normal position, this being permitted by the tensioning of spring 68 and providing for non clearing of the digit keyboard.

The keyboard may be manually cleared, and

any depressed operation key which has been locked because of an erroneous quick stroke operation may also be released by means of a lever 13 (Fig. fulcrumed on the framing of the machine extending through the keyboard plate, said lever being adapted to contact and push slide 44 from operated position to its extreme rearward, keyboard clearing position. Manual release of the lever will permit the spring of slide 44 to restore the parts to normal position.

Subtract and non-add Operations Subtract and non-add operations are performedin response to the depression of a subtract key 214 and a non-add key 215 respectively, these keys controlling the positioning of a slide 14 (Fig. 2), which in turn controls the adjustment of the switch 8. Slide 1.4 is held normally under the tension of a spring 15 by engagement of the upper end of a lever 16 with a shoulder of the slide, lever 16 being provided with an anti-friction roller normally engaging the high point of the cam portion of plate I05. In the operation of the machine lever 16 will be reciprocated, and slide 14 will be allowed to move forward under the influence of spring 15. In additive operations, however, this forward movement of slide 14 is prevented by engagement of a shoulder 11 of the slide with the bail 49 which has been displaced by the add key I I4. There is no shoulder on slide 14 which may contact with the ball 49 of subtract key 214, so that when the subtract key is depressed and the machine operated, slide 14 will move to its extreme forward position. Depression of non-add key 215 will bring its bail 49 into the path of movement of a shoulder 18 of slide 14, to-provide for partial forward movement of said slide. Thus slide 14 will be selectively positioned according to the key depressed, the three positions of the slide being transmitted to switch 6 by means of an arm 19, pivoted to the slide, and held in relation thereto by the spring 15, and a link 80 connecting arm 19 with an arm of the switch.

Depression of the subtract key will thus efiect rocking of switch 6 clockwise about its pivot point 33, whereby cam surface 2| of the switch will lie out of the path of movement of roller 1. Therefore, upon the forward stroke of the operating mechanism roller 1 will move idly over flange 22, allowing the pinions 403 of the accumulator to remain in mesh with the segments during the subtractive stroke thereof. At the end of the forward stroke roller 1, having momentarily displaced and passed beyond the switch, will be positioned adjacent the surface 34 or the switch, with which it will engage during the return stroke oi the operating mechanism, to raise arm 5 and disengage the pinions from the segments before additive movement thereof. During this return movement roller 1 passes beneath flange 22, and near the end of the movement will engage a projection 35 of arm 5, to restore the parts to normal position. 7

All of the operation keys are identical in construction, and subtract key 214, aside from the adjustment of switch 6, will provide for the same functioning of the machine as in the case of add key 4,

Non-add key 215 will also provide for the same functioning of the machine except that switch 6 will be rocked only sufficiently to bring cam surface 2! parallel with the end of flange 22 of arm 5. This will bring the entire switch below the upper line of the flange, except for a projection of the forward end of the switch above said line. This, however, does not result in any deflection of arm 5, since in the return stroke of the operating mechanism roller 1 will engage a cam surface 23 of the switch, momentarily rocking the same. Therefore, in non-add operations roller 1 will be reciprocated without effecting unmeshing of the pinions 403, and any amounts subtracted from the accumulator wheels by the actuators during the forward stroke of the operating means will be added back during the return stroke.

Total and sub-total As is usual in machines of this type, totals are printed by disengaging the actuators em from their column latches 2H, and from the frame Hi6 and allowingthem to move subtractively under the influence of their springs, to rotate the accumulator wheels to zero, in which position the wheels are held by engagement with appropriate stops, after which the cycling of the machine will effect normal operation of the printing means at the end of the forward stroke of the opera-ting means, whereafter frame 616 will pick up and return the actuators to normal position.

These and other special functions are effected upon depression of the total key 218, under control of slide 14 and of other spring slides lying beneath the balls 49 of the operating keys.

Depression of total key 218 will release slide 44 and start motor operation, as previously described for the other keys, and it will also allow full movement of slide 14, to provide for subtractive operation-that is to say, the accumulator pinions 403 will be left in mesh during the zeroizin-g operation, and will be unmeshed before the additive stroke of the actuators Sill is effected.

The zeroizing of the accumulator wheels is eifected by successive operation of the wheels from right to left of the accumulator, as in Patent No. 1,932,013, hereinbefore referred to, this action being controlled by spring operated means. In the present instance, however, it is desired to effect the various adjustments of the controlling mechanisms by power from the motor, and consequently the clutch will be engaged upon depression of the total key, will be allowed a limited driving movement, and then the motor operation will be interrupted to give time for the completion of the zeroizing operation, at the conclusion of which the clutch will be reengaged and the cycle of operation completed. For this purpose a slide 8| (Fig. 10),

which is locked out of operation by the balls 49 of the add, subtract and non-add keys, will be allowed to operate under the influence of its spring 82, said slide having a pivoted link 83 having pin and slot engagement with a latch 86. Upon forward movement of slide 8i (efiected upon forward movement of arm link 83, in the movement thereof about its point of connection with the latch, will have its lower end moved downwardly, tensioning a spring 85 which will tend to move latch 863 clockwise about its pivotal support. The free end of latch M has engagement with a spring pressed arm 86, pivoted upon the machine frame and having an antifriction roller engaging the cam surface of plate 505. During the first part of the cycle of the operating means the roller of arm 86 will climb to the high point of the cam, rotating arm 85 clockwise and allowing latch 84 to fall into a'notch formed in the upper end of said arm. Am 88 has a rearward extension 87 which will be held by latch 8% in the path of rotary movement of the clutch pawl I83, engagement of the pawl with extension 87 serving to disengage the pawl from the driving member I M of the clutch and to hold it in disengaged position. I

.Slide BI also has link connection 88 with an arm I36, pivoted upon .the machine frame and provided with a finger I33 which will be brought during the movement of slide SI into contact with the releasing arm 62I of a latch 620, disengaging said latch from a projection 62? secured upon a total segment 6I8, thereby releasing the segment for operation under the influence of a spring 68L Segment M8 drives a pinion secured on the end of a shaft 601 (Fig. 1), extending across the machine, said shaft being provided with a series of helically disposed pins which will successively trip a series of dogs fill, normally securing the actuators 6 ID to frame BIS. Dogs 6" are also provided with shoulders normally restraining a series of spring pressed stops M3 in negative position. Upon displacement of a dog BI'I the related stop 6I3 will be released, being brought by its spring into the path of movement of a zero stop 457 of the related accumulator wheel. During this preliminary setting of the total controls, the column latches 2M will also be released, in the manner hereinafter described, so that actuators SIB upon successive release from the frame GIG will be moved by the springs to rotate the related accumulator wheels to zero.

Upon complete rotation of shaft 681, the projection B2! of segment 618 will contact with a rearward extension of the arm 62I, rocking the forward end of said arm out of contact with the finger I33, and allowing latch 620 to move under influence of its spring into position to reengage the extension 62! upon restoration of segment BIB. Also, at this time, a pin 89, fixed in segment 6I8,-will engage a depending arm of latch 8 rocking said latch out of engagement with arm 86, whereupon said arm will be rotated counter-clockwise by its spring to move the extension 81 out of restraining contact with clutch pawl I03. Thereupon pawl I 03 will reengage with driving member I04 and the operating cycle of the machine will be resumed. During the forward stroke of the operating means, segment 6I8 will be restored to normal position and re- ,engaged by its latch 620, this restoring means being well known and not illustrated in the present disclosure.

In order that the keyboard may be free for the setting up of an item during the total taking J operation, the index bars SIS are designed to be shifted laterally out of position of engagement with the key stems. A similar arrangement was proposed in United States Patent No. 2,087,182, isued on July 13, 1937 to Loring P. Crosman, entitled Listing adding machines." However, the means of the present disclosure are of improved construction, and are designed topermit setting of the digit keys during any portion of the totalizing operation.

The index bars 6I5 are supported near their ends in sliding plates 98 (Fig. 5), urged toward the right hand side of the machine by springs M. The ends of the bars are engaged by a pair of bell crank levers 92, these levers being provided with shoulders engaging lugs 93 of a slide 9G. Slide 9% lies parallel to the'slides I6 and 8E, and is likewise controlled by the operation of lever '76; Bails d9 of the add, subtract, and nonadd keys are depressible into position in front of shoulders 95 (Fig. 6) of the slide, to prevent operation thereof. Normally the lever I65, through slide 95, will serve to'hold the index bars SIS in normal relation to the digit keys 2E5 and to the zero latches 2M, as seen in Fig. 5. Upon the initial movement of lever 75, permitting forward movement of slide 94, springs 9| will move plates and index bars 6I5 toward the right, out of position of contact with the keys and also out of contact with the zero latches 255. The plates 90 operate individually, so that there can be no jamming of the parts due to twisting action.

In order that amounts set on the keyboard will not be cleared during the totaling operation, the bail d9 of the total key is provided-with an extension 96 (Figs. 2 and 3) which will be held by the key in position to engage a shoulder 91 of slide 44 and prevent movement of said slide rearward beyond its normal position, thus preventing the clearing of the keyboard, as previously explained.

Means are also provided whereby partial depression of a digit key 2I5 will not prevent a total taking operation, but wherein the parts will remain in position to prevent subsequent operation of the other keys until the keyboard has been cleared or the digit keys properly depressed.

This means is shown as associated with a series of interlocking members between the operation keys 218, 213, M4, 214 and 215 (Fig. 8). The interlocking means comprises a series of plates 98 located each between two adjacent operating keys, and having shoulders engageable by the key stems. As seen in Fig. 6, the portions of the key stems engaged by plates 98 are wedge shaped, so that in the depression of any of the operating keys the two adjacent'plates 98 will be moved or held in opposite directions, against the stems of the next adjacent keys.

It will be obvious, therefore, that the plate lying between sub-total key 213 and. add key I will be moved or held in forward position .upon depression of the add key and in rearward posi-= tion upon depression of the total key 218 or subtotal key 213. A pin 99 is fixed in this plate 98,

and projects downwardly into engagement with a slot of the bell crank lever 62 hereinbefore referred to. During operations controlled by the add, subtract or non-add keys the pin 99 will lie in the position illustrated in Fig. '7, and pawl BI will act to lock slide 44. Upon depression of the total or sub-total key, however, rearward movement of pin 99 will rock bell crank lever 62 clock- 2,sao,eso

wise, withdrawing pawl 6| from position of contact with the pin 64 of slide 44, so that the slide will not be locked, should a key 2|! be partially depressed, until after the release of the total or sub-total key. In a subsequent operation of the machine by key Ill, 2'" or 21! the pin 88 and bell crank lever I! will remain in the position illustrated, and tripping oi the clutch will be prevented.

Sub-total key 213 operates precisely in the manner 01 total key 218, except that slide 14 is held in its partially operated position by engagement of the ball 48 with a shoulder ll of the slide. Thus switch l is held in the same position as that assumed in non-add operations, whereby the total, subtracted from the accumulator wheels, is restored thereto during the return stroke of the operating mechanism.

It is intended, when the clutch is disengaged by contact of clutch pawl lllwith lever I" or with the extensionll of arm 88, that rebound of the driven parts will be resisted by the rollers 01' arms 65 and I6, and in order to permit eiiective checking action the usual heavy spring I40 (Fig. 9), used to assist in smoothing the load on the motor, is provided with lost motion connections with its anchor Ill and with the arm 2 of shaft 30!.

I claim: I

1. In a motor driven register having a driving train, a clutch in said train, a series of operation keys, digit entering means comprising spring retracted settable keys, and latches engaging the digit keys to maintain them in set position; a normally restrained spring actuated member releasable by any operation key to engage the clutch, spring means operable by the driving train to retract said spring actuatedmember to and beyond normal restrained position, and means operable by said member in the movement thereof beyond normal position to disengage the key latches and thereby release any set digit keys from set position.

2. In a motor driven register having a driving train, a clutch in said train, a series of depressible operation keys, digit entering means comprising spring retracted settable keys, and latches engaging the digit keys to maintain them in set position; a normally restrained spring actuated member releasable by any operation key to engage the clutch, spring means operable by the driving train to retract said spring actuated member to and beyond normal restrained position, and means operable by said member in the movement thereof beyond normal position to disengage the key latches and thereby release any set digit keys from set position, said operation keys having stems movable into the path of movement oi said member to prevent movement thereof beyond normal position when the operation keys are retained in depressed position during repeat operations.

3. In a motor driven listing register having a driving train, a clutch in said train, a series of operation keys including registration initiatin keys and a total key, and digit entering means comprising settable keys; a normally restrained spring actuated member releasable by any operation key to engage the clutch, latches engageable to hold the digit entering keys alternatively in partially set or in fully set position, locking means displaceable by a latch engaged with a partially set key to bring an element of said means into the path of eiiective movement of the clutch engaging member and alternatively cooperating with the actuated clutch engaging member. to engage the latches and lock the digit entering keys in their fully set and in their unset positions, and means operable by the total key to disable the locking means and prevent cooperation thereof with the latches during a totaling operation.

LORING PICKERING CROSMAN.

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