US2536837A - Accounting machine - Google Patents

Accounting machine Download PDF

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Publication number
US2536837A
US2536837A US7758A US775848A US2536837A US 2536837 A US2536837 A US 2536837A US 7758 A US7758 A US 7758A US 775848 A US775848 A US 775848A US 2536837 A US2536837 A US 2536837A
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Prior art keywords
key
cycle
machine
automatically
keys
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US7758A
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English (en)
Inventor
Edward J Carey
Lawrence D Kilheffer
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NCR Voyix Corp
National Cash Register Co
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NCR Corp
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Priority to NL78137D priority Critical patent/NL78137C/xx
Priority to NL144764D priority patent/NL144764C/xx
Application filed by NCR Corp filed Critical NCR Corp
Priority to US7758A priority patent/US2536837A/en
Priority to GB16706/48A priority patent/GB652446A/en
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    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06C—DIGITAL COMPUTERS IN WHICH ALL THE COMPUTATION IS EFFECTED MECHANICALLY
    • G06C27/00—Computing machines characterised by the structural interrelation of their functional units, e.g. invoicing machines

Definitions

  • This invention relates to accounting and similar business machines, and more particularly to the type of accounting machines used by banking and similar institutions, wherever, as a part of a business system, it is necessary or desirable to pick up data, such as an Old Balance, whether it be a debit balance or a credit balance, from records previously prepared, as an incident to the type of system used in the institution.
  • data such as an Old Balance, whether it be a debit balance or a credit balance
  • the invention is adapted to be used in machines of the general type disclosed in the following United States Letters Patent:
  • Such records of the type mentioned in the first paragraph may be in the form of cards, sheets or tapes, etc., having thereon magnetic areas, or perforations, or printed or written characters designating the data to be picked up to be recorded in the machine embodying the present invention; and from such magnetic areas, perforations, or printed or written characters, definite data may be picked up, under control of the same, and recorded in said machine.
  • this invention relates to an automatically operated and electrically controlled keyboard, controlled by record cards,
  • said prepared records control the selection of the various amount determining devices or keys, which selected devices or keys, after selection and upon automatic operation thereof, control difierentially adjustable devices to enter into the totalizers of the machine, and to set appropriate printing mechanisms in the machine, with the amounts corresponding to the values of the automatically selected and automatically operated manipulative devices or keys.
  • variable amounts or data may be set up on the keyboard manually by the operator, or such variable amounts or variable data may be automatically picked up from record cards, sheets or tapes, and the devices or keys corresponding to the amounts or data picked up are automatically selected, and such automatically selected keys are also automatically operated whereby such amounts or data are entered into the machine through a differentially adjustable mechanism under the control of said devices or keys to transunit said data to appropriate totalizers and appropriate printing mechanism.
  • the machine to which applicants invention is applied may be operated automatically under the control of record cards, sheets or tapes, etc, having thereon magnetic areas or perforations, or printed or written characters, designating the data to be recorded in the machine.
  • This same machine may be also operated by manual selection of keys and manual depression thereof to control the machine to record and accumulate data according to the manually selected and manually operated keys.
  • each key has a movable key pin connected to the armature of a solenoid such pin adapted to be moved from a non-eifectiv-e into an eifective position upon the energization of its associated solenoid.
  • a further object of the present invention is to provide machines of the type above mentioned with mechanism for performing a preliminary or auxiliary cycle prior to the regular machine cycle for the purpose of automatically selecting any of the keys and then automatically depressing the electrically selected k ys whereby those keys, after having been automatically depressed by means operable during the auxiliary cycle, control differential mechanism in the machine to accumulate and record data, according to the selected and operated keys.
  • which control mechanism renders the second clutch relea e mechanism effective near the end of the auxiliary cycle.
  • Fig. 1 is a side elevation of an amount key bank, the keys of which may be automatically selected and automatically depressed to control the differential positioning of the amount differential means here shown; or said keys may be manually selected and depressed to control said amount differential means.
  • Fig. 2 is an enlarged view, partially in section, showing one of the keys, its automatic selecting means, and a part of its operating or depressing means.
  • Fig. 3 is a wiring diagram of the control circuits rendered effective to release the auxiliary clutch to initiate the starting of the preliminary or auxiliary cycle.
  • Fig. 4 is a plan view, partly in section, showing the automatic selecting means for one of the keys, and a part of its operating means.
  • Fig. 5 is a diagrammatic view showing the keys in section, and the wiring diagram for automatic selection of the keys.
  • Fig. 7 shows the balance pickup and overdraft keys, the auxiliary cycle releasing switch, and a portion of the means to release the machine.
  • Fig. 8 is a front elevation showing part of the machine releasing mechanism for the auxiliary cycle and for the main cycle of operation.
  • Fig. 9 is a detail of a part of the machine releasing mechanism, showing the coupling between two sections of the machine release shaft.
  • Fig. 10 shows the main cycle release clutch and associated means, and the drive from the motor clutch to the main cam shaft of the machine.
  • Fig. 11 shows the main switch for closing the circuit for the auxiliary cycle and the main cycle of operation.
  • the invention invention includes novel keyboard mechanism for machines of the type mentioned at the outset of this specification, and particularly those machines which are ada ted to be used in banking institutions, other types of financial institutions, and as a matter of fact, wherever records are made where, as a part of the system of keeping those records it is necessary and essential that old balances be set in the machine to which new accounts are either added or subtracted, and finally the new balance is arrived at and a record made thereof.
  • each of the key banks of the keyboard and particularly the amount key banks, are arranged to be electrically selected through means of a selective circuit closing device which functions to pick up the old balance from magnetic spots or perforations, or printed or written characters designating the carriage.
  • the machine is provided with an electric motor and two clutching mechanisms which clutching mechanisms are adapted to be released in a predetermined timed relation so that one of them drives the machine through its preliminary cycle and the other drives the machine through its regular cycle.
  • a depression of the balance pickup key or the overdraft pickup key closes a switching mechanism which completes a circuit to energize a solenoid, which trips the machine release shaft and releases the auxiliary clutch, and the motor starts.
  • a cardor other type of control medium having thereon either magnetic areas or perforations, or printed or written characters, designating the balance which is to be picked up, and the selective circuit controlling or closing device which is diagrammatically shown herein, functions to pick up the old balance from the magnetic spots or perforations or from the characters on the control medium, which has been placed on the During this preliminary or auxiliary cycle the auxiliary cam line operates a portion of the machine release shaft which is associated with the amount keys only, to release any amount keys that might have been depressed accidentally. The auxiliary cam line operates a shaft line to pull in or depress the keys which have been selected under control of said magnetic spots or perforations or characters on the control medium.
  • the machine is particularly adapted to be driven by an electric motor, which is not shown in full in this application, but there is shown a worm 26 (Fig. 8), driven by the motor, which worm 2i! drives a worm gear 2! secured to a clutch driving shell 22, which will be known herein as the main driving clutch.
  • This worm gear 25 is also secured to a clutch driving shell 23, which will be known herein as the auxiliary clutch.
  • Both of these clutch driving shells 22 and 23 are substantially like that shown in the above mentioned Shipley Patent No. 1,519,796, and also in the United States Patent No. 2,069,249, granted to Howard B. Scott on November 10, 1936.
  • a clutch ring 2% Cooperating with the inner surface of the shell 22 is a clutch ring 2%, which also cooperates with a roller 25 floating between two studs (not shown) carried by a clutch roll disc This roller 25 cooperates with the inner surface of the shell 22 and the periphery of the ring 2 3.
  • the ring 24 surrounds an eccentrically mounted driven member 2'. fastened to a gear Eli and mounted on the sleeve 29 (Fig. 10) of said gear.
  • the clutch roll disc 26 is mounted on the hub of a stop cam 39 rigidly secured to the member 2? and the gear Mounted on the hub of the gear 28 is a switch cam 3
  • Surrounding the hub of the switch cam BI Surrounding the hub of the switch cam BI is a torsion spring 33 having one end wrapped around the lower end of the block 32 and the other end wrapped around a stud 3 carried by the stop cam 30.
  • a shoulder 35 of the clutch roll disc 2%, a shoulder 35 of the stop cam 35 and the upper edge of the block 32 normally engage the lower end of a clutch release lever 38 mounted on a stud 39 on the machine frame AB. This lever maintains the clutch members 26, 3f 3! and 32 in their normal inactive positions,
  • An arm A! of the clutch release lever 38 (Figs. 8 and 10) carries a roller which normally rests upon the curved edge 43 of a lever 32 fast on a shaft 5, which extends across all of the amount key banks in the machine and has hearings in the frame 6! ⁇ and an arm (not shown).
  • the lever 44 is rocked counter-clockwise (Fig. 10) to release the machine, in a manner to be hereinafter described, the lever 33 is rocked counter-- clockwise and is thereby disengaged from the shoulders 35 and 36 and also from the block by a spring 4?.
  • Counter-clockwise mov ment of the lever 38 is limited by a stud 18, carried on the frame Upon operation of the lever in the manner fully illustrated and described in the above mentioned Shipley Patent 1.
  • the gear 28 and its sleeve 29 are journaled on a stud 62 carried by the frame 40.
  • This gear 28 meshes with an intermediate gear 64, which in turn meshes with a gear 65 secured to a main shaft 66 of the machine. Through this gearing the cam shaft 65 is rotated once during each main operation or cycle of the machine.
  • a link 61 is pivoted at 68 to the arm 5! of the lever 38.
  • the gear 65 carries a stud (59, which near the end of the operation of the machine engages a curved surface H3 of the link 61 and raises the latter, thereby moving the arm 4! and consequently the lever 38 clockwise to their normal positions, and into the path of the shoulders 35, 36, and block 32, to stop and hold the clutch members 26, 30 and 3
  • the lever 54 is rocked clockwise to normal position just before the stud 69 passes out of engagement with the bottom surfaces m of the link 81 in order to retain the leve 38 in its normal position.
  • this lever 38 is positively controlled by means operable during the preliminary or auxiliary cycle to prevent the release of this lever at any time during the preliminary or auxiliary cycle.
  • This clutch release lever 35 is also controlled so that it will be released automatically at the end of the preliminary cycle, whereupon the machine will automatically be permitted to go through its main or regular cycle of operation, whereby the differential mechanism will be set up under control of the amount keys which have been automatically selected and automatically depressed during said preliminary or auxiliary cycle.
  • Mechanism for so controlling this main clutch release lever 38 will be described in connection with th description of the auxiliary cycle mechanism.
  • the machine is adapted to perform a preliminary cycle, which involves certain novel mechanism associated with the regular mechanism, to control the clutch releasecycle and mechanism to perform-those functions, which will be set out in detail in connection with the description of this auxiliary cycle.
  • the key H and the key '72 each has a pin l6 and T! respectively, which cooperates with an angular surface 18 and 19 respectively of a slide 36] mounted on pins 8] carried by the key frame i3.
  • This slide 86 has a projecting finger 82 adapted to cooperate with a switch blade 83 to close the contacts of the switch 8% whenever the slide is moved to the right by the depression of either the balance pickup key ll or the overdraft pickup key 12.
  • the auxiliary clutch including the shell 23 (Fig. 8') is'comprised of a clutch ring 35, a roller 36, a clutch roll disc 81a driven member 88,:
  • the above described clutch members are substantially identical with the'main clutch members which have been previously described, and when released function in substantially the same way as the clutch members of the main clutch.
  • the auxiliary clutch lever 98 (Figs. 6 and 8) is pivoted on a stud 99 carried by an auxiliary side frame I00.
  • An arm IBI integral with the clutch release lever 98, carries a stud i532 cooperating with the surface H33 of a clutch release control lever [04, secured to an auxiliary release shaft H15.
  • This shaft M5 is in axial alinement with the release shaft 45, as shown in Fig. 8, and is supported by the auxiliary frame 25!] and the hub l 06, rigid with the main release lever le.
  • the gear ltd meshes with an intermediate gear i2 3, which in turn drives the gear 125 secured to an auxiliary drive shaft E26 supported by the auxiliary side frame I69 and a sub-frame I23.
  • the auxiliary clutch lever 98 is restored to its normal position by means of a link i2? pivoted at I23 to the arm iii! of the clutch release lever 88.
  • the stud I29, carried by the gear Hit engages a surface ltii of the link I27 and raises the link, and consequently rocks the lever 98 clockwise to its normal position just before the end of the preliminary or auxiliary cycle.
  • the machine release shaft in the present case is divided into three sections namely, shaft 55 which extends from the left side frame as of the machine to a point near the right side frame 56, as shown in Fig. 8, an auxiliary shaft E85, which has been previously described, and a third shaft Mi (Figs. 8 and 9).
  • the shaft extends across all of the amount banks in the machine, and the shaft It! of the machine release shaft extends only across the control banks of the machine, which control banks are, as is well known in the art, located to the right of the amount bank. There are usually three control banks in the machine, a portion of one of which is shown in Fig. 7.
  • the Baance Pickup key M and the Overdraft Pickup key #2 cooperate directly with the release shaft HM, and when either of these keys is depressed this shaft l ll is permitted to move in a clockwise direction as viewed in Fig. 7, or counter-clockwise as viewed in Fig. 9.
  • a control bar I42 adapted to be moved toward the left by the depression of either one of these two keys.
  • This control bar I42 is mounted at its lower end by means not shown, which is pivoted on the lower stud 8 l, and at its upper end on an arm M3, pivoted on the upper stud 8
  • the arm M3 carries a pin M4 cooperating with an arm I45 of a yoke Hi5 pivoted on a rod i i! supported by the machine frame.
  • Integral with the yoke I46 and arm M5 is an arm E48 normally held in front of an arm Hi9 secured to the machine release shaft MI.
  • a spring 55E connected to a stud in the arm I65 holds the latter in its normal position.
  • a spring [M is tensioned between a stud on the arm I45 and the usual non-repeat pawl I52.
  • an arm I62 (Figs. 8 and 9), secured thereto, is moved in a counter-clockwise direction, whereupon a pin carried by an arm iris, secured to the shaft :5, is released to permit the arm hi-i and shaft 55 to move in a counter-clockwise direction as viewed in Fig. 10, under the influence of a spring 565 secured to the previously de scribed lever id.
  • the arm Iii which has just been described, is provided with a finger I82, which cooperates with a stud I83 carried by the arm LII of the main clutch release lever 38.
  • the finger I82 is moved directly beneath the stud I83 prior to the time that the surface 43 of the lever id is moved from beneath the stud 52 of the arm i therefore, even though the lever M and the shaft 45 are moved into their released positions by the spring I65, the main clutch mechanism cannot be released because at this time the main clutch release lever 38 is held in its normal position by the finger I32 having been moved directly beneath the stud I83 on said lever 38.
  • the intermediate gear I24 (Fig. 6) meshes with a gear I84 which is mounted on a short shaft I85, supported by the frames I99 and I23.
  • a gear I95 Secured to the side of this gear I8 3 isv a disc I95, having a cam race I81, which cooperates with a fiat sided stud I88 carried by an arm I89 which is secured to the shaft I85.
  • Ihe cam slot #8? has a wide section I99 so that when the shaft I95 is released and rocked counter-clockwise in the manner previousl described, the flat stud I88 will be moved to the right into this wide section E93 of the slot IS'I'.
  • a plate camv I9I (Fig. 6) which cooperates with a roller I92 on a lever I93 pivoted on a stud I94 carried by the frame use.
  • the upper portion of this lever I93 has an offset arm I95 (Figs. 6 and 8).
  • the stud I92 is normally held against the plate cam I 9I by a spring I 95.
  • This offset arm I95 cooperates with a long stud I9? (Figs. 8 and 10) carried by the release lever Mi.
  • the plate or disc I85 is notched as at I98 to cooperate with a stud I99 on an arm 290, which is pivoted on the stud I94.
  • the stud I99 is held always in contact with the periphery of the disc I96 by a strong spring 2M so that should momentum cause the gear I89 and disc I86 to be moved slightly past normal position in a counterclockwise direction at the end of the preliminary cycle, the spring ii -I, through the pin I99 will restore the disc I65 in a clockwise direction to its normal position and this will also insure that the gear I24 and all the gears meshing therewith are in their normal positions at the end of this preliminary cycle.
  • the intermediate gear I24 meshes with a gear 2532 (Figs. 6 and 8) which is mounted on a short shaft 253, supported by the frames I23 and Hit.
  • a plate cam 26% Secured to the gear 252 is a plate cam 26%, which cooperates with, and controls a normally closed electric switch 205, the purpose of which will be hereinafter described.
  • the configuration of the cam race 286 is such that during the preliminary or auxiliary cycle the shaft 2H is rocked first counter-clockwise and then clockwise to normal position, as viewed in Fig. 6. As viewed in Fig. 1, this direction is first clockwise and then counter-clockwise.
  • This shaft 2H also has secured thereto an arm 2H1 connected by a link 2l5 to a key operating slide 2 It, the purpose of which will be hereinafter described in connection with the key bank mechanism.
  • Regular cycle operation When it is desired to perform a regular cycle of operation for the purpose of adding an amount into the totalizers or for subtracting an amount from the crossfooter the operator manually selects the amount keys 2ll representing the amount desired and manually depresses or operates such keys. He then depresses, for example, a motorized or machine release key 2l9 (Fig. '7) having a pin 22% which cooperates with the control bar M2. This pin 22% upon depression of the key 2l9 moves the bar I42 to the left to rock the arm I48 counter-clockwise away from the front of the arm I42 secured to the shaft [45 thus releasing this shaft l4l to the action of the spring l59 which rocks the shaft lit, and coupling arm I62 to permit the spring I65 (Fig. 10) to rock the shaft 55 and release control lever 24' counterclockwise to release the clutch release lever 38, whereupon the regular clutch shell 22 is permitted to operate the gear 28 to drive the machine through a regular cycle of operation.
  • a motorized or machine release key 2l9
  • Machine release controlling circuits As previously described, this invention involves the automatic selection and operation of amount keys which automatic selection and operation are performed in what has been termed herein, a preliminary or auxiliary cycle of the machine which occurs immediately preceding the regular or main cycle of the machine. It has also been described how the main cycle of operation takes place automatically immediately following the preliminary or auxiliary cycle.
  • auxiliary shaft H15 may be released through the action of the machine release shaft 45 and the machine release shaft MI in the manner previously described.
  • the closing of the switch 84 by either the balance pickup key ll or the overdraft pickup key l2 establishes a circuit from a positive potential of v. D. 0., through line 223, through the switch 85, line 22%, switch blade 225, line 226, line 227, to a relay 228. From the relay 228 through line 229 to ground 239 thus completing the circuit to energize and operate the relay 228.
  • the circuit just completed energizes the relay 228 which attracts the three switch blades 23l, 232 and 233 to close the following circuits.
  • the magnet l'll is in a separate circuit of volts, A. C. 60 cycles and when the switch blade 232 is operated by the energization of the relay 228 a circuit is completed from line 234' of the 115 volt circuit through the switch blade 232, through line 235 to the magnet ill and thence to line 236 to the opposite side of the 115 volt circuit thus energizing the magnet ill to couple the auxiliary releas shaft [25 to the release shaft 45 to effect the release of the auxiliary clutch release lever 98 in the manner previously described.
  • the energization of the relay 228 through the movement of the switch blade 233 closes a circuit from the positive line 223, through line 2 32, switch blade 233, line 24!, relay 242, line 223 to the ground 238 thus energizing relay 252.
  • the energization of relay 222 operates the switch blade 225 and a switch blade 24 3'.
  • the operation of the relay 242 closes a holding circuit for itself from line 223, switch 84, line 224, switch blade 224, line 245 to point 246, through the relay 222, and line 243 to ground 238.
  • the operation of this relay 242 also by its operation of the switch blade 225, opens the key operated circuit by breaking the contact between the switch blade and line 226.
  • the relay 228 is now held in operated condition by a circuit from the line 223 through line 25l, switch blade 23l, line 252, to switch 222 which is still held closed by the cam 22l, and from switch 222, through line 227, relay 222, line 229 to the ground 239.
  • the cam 221 releases the switch 222 permitting it to open and thus breaking the circuit through the relay 228 whereupon the switch blades 23l, 232 and 233 are released, thus breaking the circuit at the switch blade 232 for the magnet Ill and breaking the main circuit to the relay 242 at switch blade 233.
  • the relay 242 is still held by its holding circuit from the positive potential through line 223, switch 84, line 224, switch blade 242, line 245, to point 246 through the relay 242, line 243 to the ground 230.
  • the amount keys in the present invention are adapted to be automatically selected and the automatically selected keys automatically depressed, the automatic selection being under the control of magnetic spots or perforations, or other controlling characters on a control medium such as a card or tape, or any other type of medium which is desired and convenient to use in the machine. It has also been previously stated that these same keys may be operated manually, that is, they may be manually selected and manually depressed.
  • the selected and operated or depressed keys control differential mechanism of the usual type shown and described in the above mentioned patents, which difierential mechanism in turn controls the accumulation upon the totalizers and also controls printing mechanism such as shown in the above mentioned patents.
  • FIG 1 there is shown one bank of amount keys and its associated differential mechanism.
  • This bank of keys is what is known as a flexible key bank as previously stated.
  • nine amount keys 2' (Figs. 1 and 2) which are sup.- ported in the usual type of key frame 272 mounted on the rods 14 and 15.
  • Each key 275 carries a pin 213, which projects from both sides of the key stem, to cooperate with a controlling bar 274 and a locking detent 215.
  • the controlling bar 214 is pivoted at its upper end to an arm 216 pivoted on a stud 2 nowadays supported by the key frame 212.
  • the lower end of the controlling bar 214 is pivoted on an arm 278 supported on a stud 2T9 carried by the key frame 212.
  • This arm 218 cooperates with a pin 230 in an arm 28! secured to a short shaft 232, to which is also secured the usual zero stop pawl 283.
  • a spring 28 5 normally holds the pin 2% against the arm 2T8. Depression of any one of the amount keys moves the controlling bar 214 downwardly, whereupon the arm'ZlB by its contact with the pin 286 rocks the zero stop pawl 283 counter-clockwise from its eifective position shown in Fig. 1 to an ineffective position, so that the differential mechanism to be hereinafter described can be set under the control of the depressed key.
  • each of said keys 211 has secured thereto a coupling in carrier Bel (Figs. 1, Z and a), in which is slidably mounted a lightweight coupling pin 392 having an annular groove 3B3 engaged'by a lip 3% of an armature 305 of an electromagnet 30 3 mounted in a bracket 30! secured to the top of the key frame 272.
  • the armature 385 is freely pivoted in a slot 368 in the side 2309 of the electromagnetic bracket 3M.
  • a compression spring tie is extended between a stud ill on the armature 395 and a finger 312 on the bracket Sill. This spring 3!?) normally holds the armature M55 in the position shown in Fig. 4, whereupon the hollow pin 3532 is held in a position wherein its inner end is inside the side face of the key 21 i.
  • the previously described key operating slide 2H6 (Figs. 1, 2 and 4) lies adjacent the sides of the keys 2' and is mounted to slide on studs 3E3 and 3M carried by brackets 315 and 315, respectively, which brackets are secured to the top of the key frame 212.
  • the slide 2H5 has slots 3
  • This slide 2V3 is provided adjacent each of the pins 382 with a camming notch 319, the purpose of which will be hereinafter described.
  • a control medium 325) which may be a card or slip or tape.
  • This control medium 329 is shown diagrammatically in Fig. 5 in connection with the wiring diagram for this invention.
  • any one of the electromagnets 39.6 When any one of the electromagnets 39.6 is energized by means to be hereinafter described, it attracts its armature 385, which is rocked counter-clockwise as viewed in Fig. 4, whereupon the lip 3G4 moves the pin 392 inwardly with relation to the carrier 3%! and projects the inner end of the pin 352 beyond the key 2 nowadays and into its associated camming notch 3 l 9 of the operating slide 256.
  • the electromagnet 3&6 is deenergized by having the circuit thereto broken, whereupon the spring 318 restores the armature 385 to its normal position and through the lip 3E4 simultaneously draws the pin 3622 out of cooperation with the camming notch 3MB of the key-operating slide 25-53.
  • the cam race 256 (Fig. 6) rocks the shaft 21! counter-clockwise (Fig. l) to its normal position, which restores the key operating slide 2; to its normal position shown in Fig. 1.
  • the slide H6 is held in sliding position on its studs 3l3 and 3h; by a cover plate 32L which is secured to the top of the key frame 272 and also secured to the ends of the studs 313 and 3M.
  • a ten-wire plug 322 Secured to the bracket 3 I6 (Fig. 1) is a ten-wire plug 322, nine of the wires which run between insulating sheets 323 and 324 (Fig. 2). One or these wires goes to each one of the electromagnets 336 and the tenth wire is fastened to the frame as a ground Wire.
  • the ten wires from the ten wire plug 322 are adapted to be put into a ten-wire socket 325 shown diagrammatically in Fig. 5, the wires from which lead to a selective circuit closing device 326, also shown diagrammatically in this Fig. 5.
  • This holding circuit through the resistor 342, is maintained until near the end of the preliminary cycle of operation and is opened when the low portion tic oi the cam 24% comes adjacent the switch 2e25, thus perrmtting this switch to open and break the holding CilCellt for the magnet 306.
  • This low position 3% covers sufficient time in the cycle of its operation to permit the thus deenergized magnet Sue to release the armature 305 whereupon the spring 3h) restores tile pin 302 in the manner above described.
  • the key lit at this time is in its depressed position, but' the armature we" and lip 3m are long enough, as viewed in big. 2, so that the lip 3M3 still engages th pin 332 while the key 2 is in its depressedposition.
  • the diiierential mechanism shown in this case is that shown in connection with one single amount bank, and is substantially identical with" the amount differential mechanisms shown in many of the above mentioned patents, and therefore only a brief description thereof will be given herein. 7
  • a notch in the forward end of the spider 35l engages a stud 353 in a forward extension of a bell crank 35-3 pivoted on an extension of the ac-'.
  • tuator Carried by the vertical arm of the bell crank 35% is a stun on which is pivoted an arm 36L
  • the arm 3 s also pivoted to the upper end of a latch 3G2 pivotally mounted on the actuator 352.
  • the latch 332 has a foot 363 normally held in contact with the periphery of a driv- 7 5 ing segment 3&4 just above a shoulder 365 thereon is by means. of a. spring 356.
  • The. driving; segment 334; is rotatably supported. on the hub. of the a tnator 35.2..
  • Alink 3.61 pivotally connects. the. drivsegment. 334 to a cam. lever 3.6.8. pivoted on a. stud 369 in the left-hand one, of the plates 354, said lever 3.3.8 carrying rollers 3'13 and 31! which coact. with the peripheries. of cams 372 and 313-, respectively, secured on the. main cam shaft 69..
  • Depression of anyone of the amount keys 21! moves the lower end thereof into the path, of a rounded surface 3.14 of the bell crank 35.9.
  • the rearward end of the beam 339 is bifurcated to engage a stud 39
  • Each of the actuators carries three sets of gear teeth 3.94, 395 and 393 which cooperate with lines of' totalizers 391, 399 and 399, respectively, to. cause the value of the amount key depressed to be accumulated into the selected one or ones of the. totalizers on the lines 391, 398 and 399, in a manner which is well known in the art and which is also fully illustrated and described in several of the above mentioned patents.
  • any amount keys 2?] that might have been depressed, manually, prior to an auxiliary cycle of operation, are automatically released during such auxiliary cycle of operation so. as not to. interfere in any way with the auto, matic selection and automatic depression of such amount keys during the preliminary cycle of op.-. eration.
  • the arm I95. (Figs. 6 and 8). of the lever I93 by itsengagement with the stud l9! rocks the lever 93 (Fig. 10,) in a, clockwise direction.
  • This lever 44 being secured to the shaft 45, rocks said shaft 45 clock! wise (Fig. 10) which is. counter-clockwise as, viewed, in Fig. 1. Therefore, the member 409 is. rocked counter-clockwise during such preliminary cycle of operation.
  • the arm 28'! moves the looking detent, 275 to release any hook- 285 from any pin 273 of any key 21, Iv that mighthave been de-. pressed prior to the preliminary cycle of operation. Any such released key- 21! will then be restored to its normal undepressed position by its spring 289.
  • tro nagnet LH which effects. the, tripping of the.
  • auxiliary release shat-t I315, which is permitted; as. 1 described in detail through the couplings between the-shaft I95: and the shaft 45, and between the shaft. 45' and the shaft.
  • Mi under the control of the regular releasing mechanism shown in Fig, 9, initiated by the spring we.
  • This movement of the auxiliary shaft H15 releases the auxiliary clutch; release: lever 93 and the motor starts; line control medium 329 having thereon either magnetic spots or-printedjor written control characters, 0.17. having; therein perforations is placed in the se ective circuit: controlling device 323 (Fig 5.) to control the pick up of the old balance or the;
  • auxiliary release shaft I is then restored and the auxiliary clutch release lever 98 is restored, whereupon the main cycle clutch release lever 38 is released and the gear 28, through the V main clutch mechanism drives the main cam shaft 66 through its regular one cycle of operation.
  • the diiferential mechanism shown in Fig. l is set under the control of the values of the depressed amount keys, whereupon such amounts are, through this differential mechanism, set up on printing mechanism through the medium of the segment 393 by means fully illustrated and described in the above mentioned Arnold and Krieder patents, and at the same time these same amounts are accumulated in the selected one or ones of the totalizers 39?, 398, or 399.
  • keys 21! may be manually operated without in any way affecting the automatic selection thereof as has been described previously.
  • the key release shafts MI and 45 are released but the electromagnet IN is not energized, and therefore the stud I75 (Fig. 5) remains in the position shown, and consequently the coupling, consisting of the stud I and arm H9, does not operate, and therefore the auxiliary shaft I05 is not released.
  • the arm I19 can rock counter-clockwise, as viewed in Figs.
  • the present invention provides a novel keyboard mechanism wherein the keys thereof may be operated either manually by manual selection and manual depression, or they may be automatically selected and automatically depressed, the automatic operation in no way afiecting the manual operation, and vice versa, the manual operation in no way affecting the automatic selection and operation of these keys.
  • This of course greatly enhances the value of this type of keyboard mechanism because of the much wider range of usage to which it may be put.
  • a bank of depressible keys adapted to be manually selected and operated and also adapted to be automatically selected by remote control; means carried by each of said keys and adapted to be moved relatively thereto to effect selection thereof; means operated by remote control to selectively move the first mentioned means; and means cooperating with the selected one of the first mentioned means to automatically op erate its associated key.
  • a bank of depressible keys adapted to be manually selected and operated and also adapted to, be electrically selected and automatically-operated; means carried by each of said keys and 22 adapted to be moved relatively thereto to effect selection of said key; selectively operated means to selectively actuate said first mentioned means; and automatically operated means to cooperate with said selectively actuated means to operate its associated key.
  • depressing means to causev the latter upon: operation. thereof, to. depress the: selected. key, and to cause said rockable member to restore the means carried: by thekcy to normal position after said key is. retainedzin. depressed position-.-v
  • each of the means carried by said keys and adapted to selectively automatically actuated to shift the means carried by the-keys into cooperative rela tionwith the automatically opera-ted depress-- ing means tocause the latter upon operation" thereoi; to depress the selected key, each of sa-id" devices being-automatically actuated to-sl'iift tlre'- means-carried I was associated key back to. normal pcsition 'aftel? the-selected keyis lbcke'd inii'tsdes ressed p0Sit1OI1.-
  • a machine of the class described the combination of a plurality of manually operable "data determining devices, each device having one end thereof constructed so as to be manually selectable and manually operable to move the opposite end of the selected and operated device into a specific data-determining and controlling position; a slidably mounted member associated with each of said devices and normally in an ineifective position; common means automatically operable to cooperate with an one of said members when any one of the members is in effective position, to operate the associated device to move said opposite end of said device into a specific data-determining and controlling position; and means to selectively and automatically move any one of said members into an effective position into cooperative relation with said common means.
  • a manually operable data-determining member having one end in position to effect an operation of said member when said one end is manually moved; a movable device associated with said member intermediate said one .end and the. other end of the member and normally in an inactive position, but adapted to be automatically moved into an active position; means to move its device into active position; and means to engage said device to operate said member automatically.
  • a data-determining member a movable device associated with said member intermediate the ends of the member and normally in an inactive position, but adapted to be moved automatically into active position; means automatically operable to engage said device when the device is in its active position to operate said member automatically; means to retain said member in its operated position; and an element to move said device into its active position prior to the operation of said automatically operable means and to restore said device to its inactive position after operation of said automatically operable means.
  • a normally manually depressible key having a head to facilitate manual depression of the key; a member carried by the key below the head thereof and adapted to be moved relativel to the key in a direction at right angles to the direction of depression movement of the key, said member being normally in an inactive position and movable with said key upon manual depression thereof; automatically operable means to move said member relatively to the key to condition the key for automatic depression; a device operable to engage and move said member in the direction of the depression movement of the key to automatically depress said key; and means to actuate said device after said member has been moved into active position.
  • a normally manually depressible key having a head to facilitate manual depression of the key; a member carried b the key below the head thereof and adapted to be moved relatively to the key ina direction at right angles to the direction of depression movement of the key.
  • said member being normally in an inactive position and movable with said key upon manual depression thereof; retaining means having a slidable connection with said member to retain the member in its normal inactive position prior to, during, and after manual depression of said key, automatically operable means to actuate said reta ning means to cause movement of said member into its active position prior to a manual depression of the key to condition said key for automatic depression; a device operable after said member has been moved into its active position to en age and move the member in the direction of the depression movement of the key to eiiect an automatic depression of said key; means to lock said key in its automatically depressed position; and means to actuate said retaining means to move said member to its inactive position after automatic depression of the key.
  • a normally manually depressible key having a head to facilitate manual depression; auto atically operable means cooperating with said key below the head thereof to condition said key for automatic depression; means to retain said automatically operable means in inactive position prior to, during, and after manual depression of said key; means to actuate said automatically operable means prior to a manual depression of said key; and means automatically operable to depress said key after the key has been conditioned forautomatic depression.
  • a normally manuall depressible key having a head to facilitate manual depression of the key; automatically operable means associated with said key below the head thereof to automatically depress said key; means to retain said automatically operable means in inactive position prior to, during, and after manual depression of said key; and means to actuate said automatically operable means prior to a manual depression of said key.
  • adapted to bereleased fora-normal cycle of operation in one instance and also adapted to be released for a preliminary cycle of operationyfollowed by :a normal cycle of operation, the combination of a common driving .means for :all :cycles of operation; a driven shaft for the normal cycle :of operation; a driven shaft for-the preliminary cycle of operation; a normally :inefiective clutch intermediate the driving means and the firstdriven shaft;;a normallyinelfective :clutch intermediate the driving means and the second driven shaft; .a member'tothold the first clutch ineffective; :amcmber to hold the second -clutch ineffective; means to yretainithe first memher in position to "hold the firstclutchzineffective; means to reta n thesecond member in position 'to hold the secondclutch ineffective; means :to .actuatethe first retainingmeans to release the first member; devices operated by the first
  • a machine of the class described adapted to be released for a normal cycle of operation in one instance and also adapted to be released for a preliminary cycle of operation followed by a normal cycle of operation, the combination of a common operating means for all cycles of operation; a normally ineffective drving means for the preliminary cycle; a normally ineffective driving means for the normal cycle; means to retain the first driving means in inefiective position; means to retain the second driving means in ineffective position; a device operable to release the second retaining means; a device o erable to release the first retaining means: and means intermediate said devices and operab e by the first device to actuate the second device to release the first retaining means, and simultaneously prevent the second retaining means from releasing the second driving means.
  • a common operating means for all cycles of o eration a normally ineffective driving means for the prelim nary cycle; a normal y ineifective driv ng means for a normal cycle; means to retain the first driving means in ineffective position; means to retain the second driving means in ineffective position: a device operable to release the second reta ning means; a device o erable to release the first retainin means; means intermediate said devices and onerable by the first device to actuate the second device to release the first retaining means, and to simultaneously prevent the second retaining means from releas n the second driving means; and means to control said intermediate means to prevent ts o eration, thus causing the release of the second driving
  • the combination of a plurality of data-determining. devices adapted to be manually selected and manually operated, and also adapted'to be automatically selected and automatically operated; means todrivev the machine through a normal- 531 roycle toperation'; me us :to --drive the :machine through :a preliminary -:cy.cle of operation im'eans itp automatically select any :one of said cdevic'es rfor coperation; means to :effect operation :of said ffirst driving w'means; gmeans to e'fiect an :nperation of :said second.
  • :drixdng means to cause a preliminary :cycle of operation and siinultaneously ipreyent'operation of the :first :driving :means; means operable during said prelimiarar-y 103K313 to actuate said automatic selecting means :to cause automatic selection of said edevices; means operable "during said preliminary 'cycle to 'operate the selected device; means to lock the selected and 'operated device in 0p- "er-ated position; means-operable during said pre- Flim'inarypycle o'f operation to effect an operation :of said first driving means to cause an automatic normal cycle ofoperaticn immediately following :the "completion of said preliminary cycle-oi operation; and means operable during said automatic normal 'cyc'le'to operate saidlocking means :jto release "the automatically selected and auto- *m'atically operated "device.
  • $2.111 a :machine of the class described adapted to'per'form a normal cycle of operation andalso adapted to :perform a preliminary cycle of -:operation followed by an immediate automatic normal cycle of operation, the combination of 1'6, bank of data controlling members adapted to be manually operated to control the "entry of data in the machine during said firs't normal cycle of operation, said members also adapted to be automatically operated during said preliminary cycle of operation'to control the entry of data in the machine during said automatic normal :cycle of operation which 'follows said preliminary cycle of operation; and means operable :duringisaid preliminary 'cycle t'o automatically release any manually depressed data controlling member which was in depressed position immediately prior to said automatic operation of said data controlling members.
  • a machine of :the class described adapted to be operated through :a normal icycl'e of operation to enter data into the machine, :the combination of manually operable data determining .members to control the entry of such data during said normal cycle of operation, said machine also adapted to perform a preliminary cycle of operation .followed by ;an immediate automatic normal cycle --of operation to enter data into the machine during said automatic normal cycle; means operable during :said pre- .liminary cycle to-lautoma'tically release any data determining :member which might have been 15 1mg ssaid mormal cycle of operation whichêto-

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  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Computing Systems (AREA)
  • General Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mechanical Operated Clutches (AREA)
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US7758A 1948-02-12 1948-02-12 Accounting machine Expired - Lifetime US2536837A (en)

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NL78137D NL78137C (en)) 1948-02-12
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US7758A US2536837A (en) 1948-02-12 1948-02-12 Accounting machine
GB16706/48A GB652446A (en) 1948-02-12 1948-06-22 Accounting and similar calculating machines

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746679A (en) * 1950-05-03 1956-05-22 Clarence E Beach Apparatus and systems for automatically recording, classifying, totalizing and auditing business transactions
US2907521A (en) * 1953-12-21 1959-10-06 Ibm Toll highway recorder
US2996245A (en) * 1957-08-08 1961-08-15 Wittenmyer Carlos Punching and reading apparatus for calculating machines
US3106635A (en) * 1959-12-11 1963-10-08 Gen Instrument Corp Intercoupling apparatus

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Publication number Priority date Publication date Assignee Title
US1496358A (en) * 1920-06-03 1924-06-03 Powers Accounting Machine Corp Statistical machine
US1753991A (en) * 1927-04-18 1930-04-08 Leonard W Langford Keyboard operator
US1848106A (en) * 1926-11-23 1932-03-08 Tabulating Machine Co Key adding device for tabulating machines
US1917355A (en) * 1933-07-11 brand
US1930252A (en) * 1930-11-26 1933-10-10 Ibm Typewriter accumulator
US1946572A (en) * 1934-02-13 Listing calculator
US2035590A (en) * 1936-03-31 campos
US2054904A (en) * 1936-09-22 kottmann
US2066750A (en) * 1931-03-28 1937-01-05 Wilmington Trust Company Card tabulating machine
US2222373A (en) * 1933-09-18 1940-11-19 Wanderer Werke Vorm Winklhofer Calculating machine
US2416809A (en) * 1947-03-04 Selective normalizing mechanisms
US2456771A (en) * 1947-06-14 1948-12-21 Gifford Agnew A Electromechanical mechanism for actuating calculating machines

Patent Citations (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1917355A (en) * 1933-07-11 brand
US1946572A (en) * 1934-02-13 Listing calculator
US2035590A (en) * 1936-03-31 campos
US2054904A (en) * 1936-09-22 kottmann
US2416809A (en) * 1947-03-04 Selective normalizing mechanisms
US1496358A (en) * 1920-06-03 1924-06-03 Powers Accounting Machine Corp Statistical machine
US1848106A (en) * 1926-11-23 1932-03-08 Tabulating Machine Co Key adding device for tabulating machines
US1753991A (en) * 1927-04-18 1930-04-08 Leonard W Langford Keyboard operator
US1930252A (en) * 1930-11-26 1933-10-10 Ibm Typewriter accumulator
US2066750A (en) * 1931-03-28 1937-01-05 Wilmington Trust Company Card tabulating machine
US2222373A (en) * 1933-09-18 1940-11-19 Wanderer Werke Vorm Winklhofer Calculating machine
US2456771A (en) * 1947-06-14 1948-12-21 Gifford Agnew A Electromechanical mechanism for actuating calculating machines

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2746679A (en) * 1950-05-03 1956-05-22 Clarence E Beach Apparatus and systems for automatically recording, classifying, totalizing and auditing business transactions
US2907521A (en) * 1953-12-21 1959-10-06 Ibm Toll highway recorder
US2996245A (en) * 1957-08-08 1961-08-15 Wittenmyer Carlos Punching and reading apparatus for calculating machines
US3106635A (en) * 1959-12-11 1963-10-08 Gen Instrument Corp Intercoupling apparatus

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GB652446A (en) 1951-04-25
NL144764C (en))
NL78137C (en))

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