US2500269A - Accumulating mechanism - Google Patents

Accumulating mechanism Download PDF

Info

Publication number
US2500269A
US2500269A US703752A US70375246A US2500269A US 2500269 A US2500269 A US 2500269A US 703752 A US703752 A US 703752A US 70375246 A US70375246 A US 70375246A US 2500269 A US2500269 A US 2500269A
Authority
US
United States
Prior art keywords
wheel
magnet
digit
lever
stop
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
US703752A
Other languages
English (en)
Inventor
Horace S Beattie
Francis E Hamilton
George F Daly
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
International Business Machines Corp
Original Assignee
International Business Machines Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by International Business Machines Corp filed Critical International Business Machines Corp
Priority to US703752A priority Critical patent/US2500269A/en
Priority to FR1016915D priority patent/FR1016915A/fr
Priority to GB27038/47A priority patent/GB638890A/en
Application granted granted Critical
Publication of US2500269A publication Critical patent/US2500269A/en
Priority to DEI2149A priority patent/DE883521C/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F1/00—Details not covered by groups G06F3/00 - G06F13/00 and G06F21/00
    • G06F1/16—Constructional details or arrangements
    • G06F1/1613—Constructional details or arrangements for portable computers
    • G06F1/1615—Constructional details or arrangements for portable computers with several enclosures having relative motions, each enclosure supporting at least one I/O or computing function

Definitions

  • This invention relates to accounting machines and more particularly to the accumulating mechanism thereof.
  • the principal object of the invention resides in the provision of improved control mechanism for an accumulator, whereby coded or combinational designations on a record card representative of the digits may control the advance of an adding wheel to any of ten rotative positions.
  • an adding wheel for each denominational order with magnetically controlled coupling mechanism through which the wheel is driven from a constantly running drive s-haft. Coupling is effected under control of card designations and, after the wheel has rotated, a. magnetically controlled uncoupling mechanism causes it to stop.
  • a magnetically controlled uncoupling mechanism causes it to stop.
  • the present invention proposes to control the start and stop operations for certain of the digits, so that a first designation of a combination will cause a start operation and a succeeding designa ⁇ tion of a predetermined value will negative an invariable stop operation, so the wheel will continue to rotate and merge two steps into one.
  • the adding wheel is controlled by designations combinationally represented by a 2, 1, 2, 5 code with these positions sensed in the order named, to start rotation of the adding wheel.
  • the stop mechanism Concurrently with the sensing of the second 2 position, the stop mechanism is invariably operated and, if there happens to be a designation in such second 2 position, the stopping action is prevented.
  • a specific object of the invention is to provide an accumulator Wheel with a coupling mechanism effective to start rotation of the wheel, and an uncoupling mechanism effective thereafter to stop such rotation and control devices responsive to a record designation to negative the stopping action.
  • Fig. 1 is a View in side elevation of the essential operating elements of one denominational order of the accumulator.
  • Fig. 2 is a detail view of the driving clutch mechanism.
  • Fig. 3 constitutes a wiring diagram of the circuits for controlling the operation of the accumulating mechanism.
  • Fig. 4 is a timing diagram.
  • Fig. 3 The card In Fig. 3 is shown a portion of a record card I0 provided with vertical columns in which the digits 1 to 9 may be recorded by perforations made in a set of four horizontal rows having the values 2, 1, 2, 5 as shown. It is diagrammatically indicated that the card I0 is advanced by feed rollers I I to pass a row of sensing brushes I2 and that, after data perforations on one card have passed the brushes, there is an interval, following which corresponding perforatng positions on a following card pass the brushes. The interval between the lowest perforating rows of the successive cards is termed a cycle of operation of the machine, and this cycle is subdivided into sixteen so-called cycle points. In Fig.
  • the accumulator In Fig. 1 the driving shaft I3 is suitably geared to the card feed rollers so as to make one revolution for each cycle of operation.
  • the driving shaft I3 is suitably geared to the card feed rollers so as to make one revolution for each cycle of operation.
  • the driving shaft I3 is suitably geared to the card feed rollers so as to make one revolution for each cycle of operation.
  • the deteeth 20a adapted to be engaged by tooth 2Ia on 3 the long arm of a clutch lever 2
  • Wheel 24 may take any of ten rotative positions with the values 0, 1 9.
  • a spring pressed lever 251 engages with a notch 24a of wheel 24 to hold the wheel impositively and to center it in the value position into which it has been rotated.
  • a transfer-cam 26 is xed to the side of wheel 24 and a stud 21 in wheel 24 extends through an opening in disk 20 to pivotally carry a clutchrdog 30.
  • has a short arm swiveled to the lower end of an armature 36 which is disposed between an advanced magnet AM and a stop magnet SM. Energization of magnet AM rocks armature 36 clockwise to lower ⁇ lever 2 I, and energization of magnet SM rocks armature 36 counterclockwise to raise the lever 2
  • Digit 1.-The perforation representing digit 1 is ricade in -the 1 index point position and, when this A'position is at Vbrushes I2, a circuit is traceable from line 64, contacts .65, roller 26,6, 1 ⁇ hole in .the card, brush I2, connection ⁇ tlfsocket :62, magnet to line .63.
  • contacts C2 close to energize lall ⁇ the lSM magnets in parallel, so that the coupled wheel is interrupted after onestepto entera 1 therein.
  • the start impulse 'to ymagnet AM occurs a step earlier so that the ⁇ wheel advances two steps before magnets SM are -energized.
  • .a .second impulse is sent to magnet AM through lthe second 2 vhole concurrently vwith the stop impulse fromicontacts C2.
  • the ⁇ arrnature 3.6 (Fig. 1) is already against the core of magnet AM, concurrent impulses 'to the AM and SM lmagnets of the same order will Vnot result in declutching of 'the accumulator wheel.
  • Digit (LT-The digit 0 is ⁇ represented bythe second 2 hole and, since this completes a circuit -to magnet AM concurrently with thecircuit to magnet SM through contact C2, the wheel remains uncoupled since the armature is against the core of magnet SM and the ⁇ greater attraction is in the directic'in to maintain the uncoupling condition.
  • Tens cam/ The tens carry circuits are the same as previously employed in this type of accumulator and are indicated in the circuit dia gram, and the time of operation is shown in Fig. 4. There it is represented that contacts C3 rst close to prepare the connections between successive orders so that, when contacts CI close, if any wheel has passed through O, a circuit is completed through contacts 40, 39 and C3 of the magnet AM in the next higher order. If this order happens to stand at 9, the circuit branches through its contacts 4
  • a cyclically operable accumulating mechanism of the type wherein the digit entry in an accumulator element is initiated by an impulse transmitted to a start magnet and is terminated by an impulse transmitted to a stop magnet, and wherein concurrent impulses to both start and stop magnets will be ineiective to cause either initiation or termination of an entry
  • a cyclically operable accumulating mechanism of the type having an accumulator Wheel and driving mechanism therefor provided with a coupling device and an uncoupling device for respectively starting and stopping the rotation of the wheel, and in which concurrent operation of said devices will render the coupling device ineffective if the Wheel is at rest and will render the uncoupling device ineffective if the wheel is in motion

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • Mathematical Physics (AREA)
  • Computer Hardware Design (AREA)
  • Human Computer Interaction (AREA)
  • General Engineering & Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Conveying Record Carriers (AREA)
  • Transmission Devices (AREA)
  • Electromechanical Clocks (AREA)
US703752A 1946-10-17 1946-10-17 Accumulating mechanism Expired - Lifetime US2500269A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
US703752A US2500269A (en) 1946-10-17 1946-10-17 Accumulating mechanism
FR1016915D FR1016915A (fr) 1946-10-17 1947-10-01 Machine à calculer
GB27038/47A GB638890A (en) 1946-10-17 1947-10-08 Accumulating mechanism
DEI2149A DE883521C (de) 1946-10-17 1950-09-26 Durch Kennzeichnungstraeger gesteuerter Zaehler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US703752A US2500269A (en) 1946-10-17 1946-10-17 Accumulating mechanism

Publications (1)

Publication Number Publication Date
US2500269A true US2500269A (en) 1950-03-14

Family

ID=24826637

Family Applications (1)

Application Number Title Priority Date Filing Date
US703752A Expired - Lifetime US2500269A (en) 1946-10-17 1946-10-17 Accumulating mechanism

Country Status (4)

Country Link
US (1) US2500269A (fr)
DE (1) DE883521C (fr)
FR (1) FR1016915A (fr)
GB (1) GB638890A (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832540A (en) * 1958-04-29 dustin etal

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386425A (en) * 1943-06-17 1945-10-09 Ibm Adding and subtracting mechanism
US2399755A (en) * 1944-04-01 1946-05-07 Ibm Accounting mechanism

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2386425A (en) * 1943-06-17 1945-10-09 Ibm Adding and subtracting mechanism
US2399755A (en) * 1944-04-01 1946-05-07 Ibm Accounting mechanism

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2832540A (en) * 1958-04-29 dustin etal

Also Published As

Publication number Publication date
GB638890A (en) 1950-06-14
FR1016915A (fr) 1952-11-26
DE883521C (de) 1953-07-20

Similar Documents

Publication Publication Date Title
US2131919A (en) Record controlled printing machine
US2633957A (en) Clutch
US2500269A (en) Accumulating mechanism
US2359616A (en) Accounting machine
GB519452A (en) Improvements in or relating to multiplying machines
US1926881A (en) Accounting machine
US2250847A (en) Electrical accumulator
US2241591A (en) Calculating machine
US2174683A (en) Accounting apparatus
GB1024999A (en) Type selecting mechanism for high speed printers
US2573356A (en) Accounting machine for comparing totals on two accumulators
US2150227A (en) Tabulating machine
US2019901A (en) Printing mechanism
US2172328A (en) Comparing and sorting device
US2502917A (en) Record controlled accumulating mechanism
US1447871A (en) Friction drive control for tabulating machines
US2521382A (en) Decimal accumulator for direct entry of combination code amounts
US2244242A (en) Printing machine
US2066764A (en) Tabulating machine
US2475340A (en) Mechanism for checking concurrently operating accumulating and printing devices
US3023957A (en) Apparatus for accumulating numerical data
US2104542A (en) Automatic punching machine
US2372900A (en) Actuator for accumulating mechanisms
US2272430A (en) Accounting machine
US2066748A (en) Printing mechanism for tabulating machines