US1790479A - Automatic selecting bab - Google Patents

Automatic selecting bab Download PDF

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Publication number
US1790479A
US1790479A US1790479DA US1790479A US 1790479 A US1790479 A US 1790479A US 1790479D A US1790479D A US 1790479DA US 1790479 A US1790479 A US 1790479A
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carriage
machine
bar
card
recording
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  • the present invention relates to card perforating mechanism for record cards, and
  • Some of the objects of the present inventio.. a. to providel a control for a card perforating machine through the operation of a typewriter, a "bookkeeping machine, an adding machine, or any other separately functioning machine; to provide an automatically selective means for causing only certain predetermined columns of typewritten matter to be perforated on a record card; to provide means for periodically and automatically preventing and permitting the production of perforations during the operation' of a separate controlling machine; to
  • rovide a multiple control device for perorating machines whereby any one of a number of controls can be employed to produce respectively predetermined operations of the perforating machine; to provide a settable control for perforating machines whereby any one of a number of different group perforations can be made in a record card or cards; to provide a selecting bar for a per forating machine having a plurality of universal controls differing in character; to provide a control means of multiple positions arranged to be set to cause a predetermined perforating operation; and to provide other improvements as will hereinafter appear.
  • Fig. 1 represents a side elevation of a typewriter equipped with one form of the present in- Ventron;
  • Fig. 2 represents a detail of the same showing the selecting bar of the present invention in front elevation;
  • Fig. 3 is a diagram of the control circuits; and
  • Fig. 4 is a diagram representing any one of the key control circuits.
  • Fig. 4 attention is first directed to Fig. 4 in order that a clear understanding of the resulting function of the present invention may be had.
  • the present embodiment of the invention it is shown as arranged to control selectivel the energizationa of a plurality of solenoi s 10, one of which is in each controlcircuit and for the purpose of simpliiied description,
  • this punch mechanism is one unit of a complete card punching mechanism wherein latches, such as 14, are selectively set so that the respective punches, controlled by the set latches, function to perforate the card, while those punches which are not held by said latches are free to move with the card and do not perforate it. More detailed information as to the punch structure may be had by reference to United States Letters Patent No. 1,305,557, whih mechanism has here been selected to represent the operation of the present invention.
  • the solenoid 10 is includedv in a circuit having a conductor 20 connected to a contactor 21 which is oppositely disposed with respect toa contact 22 connected by a conductor 213 to a contact 24.
  • the contactor 21 is arranged to be operated by the ordinary actuation of a key 25 of a typewriter 26, this key 25, as here shown, being one of the number keys of the typewriter.
  • a contactor 27 is connected to the common return conductor 28 of the circuit which includes a rheostat 30, a switch 31 and a generator 32.
  • the foregoing circuit may be taken as any one of the typewriter number key control circuits of Fig. 3 and since the contactor 27 is in the common return of all circuits, the operation of any circuit typewriter number key when this contactor 27 is closed, will cause the circuit corresponding to that typewriter number vkey to close and thus set the punch corresponding to the actuated key 25. For example, if the number 8 key of the typewriter is actuated, its' circuit will be closed and punch number 8 in the unch mechanism will be set to punch ahole mthe movement of one face of a selecting bar 34.
  • this bar is squarein cross section so that it may be provided with fourcontrolsurfaces though it will be understood the invention is not limited to this number of control surfaces but comprehends the use of a bar of polygonal section any face of which may be used for control purposes.
  • Figs. l and 4 the bar is shown as provided with four control surfaces while in Fig. 2 it is shown as provided with two control surfaces. One of the surfaces may be high or low throughout the whole length of the bar as is obvious.
  • this selecting bar 34 is mounted upon the carriage 35 of the typewriter while the contactor 27 and its associated parts are carried by the fixed frame 36 of the typewriter. It will thus be seen, as the typewriter carriage moves step by step across the machine, that the selectingbar 34 will likewise move beneath the contact roller 33.
  • the control faces of the bar 34 are provided with dwells 37 formed by recesses 38 cut respectively transversely in the faces of the bar ⁇ l34.
  • the arrangement of the bar with respect to the contact roller 33 is such that when a dwell 37 engages the roller 33, it will move the contactor 27 against the contact 24, but when a recess 38 arrives opposite to the roller 33 no movement of the contactor 27 will take place because the depth of the recess receives the roller 33 34 and having such dwells of predetermined without imparting movement to it. Therefore, by arranging the dwells 37 at predetermined locations along the selecting bar length, one column of the card or several successive columns of the card are automatically selected for punching.
  • theibar 34 Since different card groups may require vdifferent column punching from other card groups, theibar 34 has each face provided with differently arranged dwells and in this way a predetermined card punching is made for each group of cards. 40 for turning movement and has a hand wheel 41 by which it can be given the necessary partial rotation to bring a face into operative osition and in which position the bar 34 is firmly held by a detent spring 42.v
  • a condenser 43 In order to lessen trouble incident to sparking at the contacts, a condenser 43, of suitable capacity, bridges the circuit at the required location.
  • the bar 34 is mounted in brackets closers are provided, one, 44, being arranged to be operated by the carriage return manual control key45 of the machine; another 46 for skip purposes; another 47 for manual controlof the punch and typewriter carriage return and being arranged in parallel with the circuit closer 48 which serves to bring about the automatic return of the punch carriage.
  • the typewriter space bar is shown by reference 50.
  • circuit closers including the contactors 27 are numbered to correspond to the number positions of a card column and while but two keys 25 are shown in this diagram, it is to be understood' that there is a key 25 for each closer and the omission is made only for simplification of the drawings.
  • the operation is as follows :n
  • the selecting bar 34 is rst set to bring the face, which 'has dwells 37 arranged to produce acard perforation arrangement corresponding to the group data to be listed or recorded by the separate controlling machine, in this instance
  • the successive dwells 37 shift the roller 33 to close the contactor 27, which is common to all of the circuits, so that the operation of any'number key 25 will close the circuit of the key operated and thus make a set-up of the punch controlled by that circuit.
  • thecommon circuit closer Vremains open and hence the operation of any number key will not cause any punch set-up to be made.
  • a recording mechanism comprising a carriage and a punching mechanism; means for causing a set-up to be made in the punching mechanism as a set-up is made in the recording mechanism, a bar supported onfsaid carriage for movement therewith, and means on the bar for controlling the eifectivity of said setup causin means.
  • a recording mechanism comprising a carriage and a punching mechanism; means for causing a set-up to be made Ain the punching mechanism as a set-up is made in the recording mechanism, a bar supported on said carriage for movement therewith, and high and low points on a face of said bar for controlling the eifectivity of said set-up causing means.
  • a recording mechanism comprising a carriage and a punching mechanism; means for causin a set-up to be made in the punching mec anism as a set-up is made in the recording mechanism, 'a bar mounted for movement with said carriage, and high and low portions of different lengths on said bar for controlling the eifectivity of said set-up causing means for variable extents of time.
  • a recording mechanism comprising a carriage and a punching mechanism; means for. causing a set-up to be madein the punching mechanism as a set-up is made in the recording mechanism, a rotatably mounted bar on said carriage, and means on different sides of f said bar for controlling the effectivity of said set-up causing means diferently as may be predetermined.
  • a recording machine comprising a carriage and a key board; of punches, an electro-magnet for each punch for controlling it for operation, a circuit closer for each key to energize a magnet when its corresponding key is depressed, a common circuit closer for all of said magnets, and a bar movable with said carriage and provided with high and low portions of dilierent lengths for opening and closing said circuits for different positions of the carriage and for maintaining said circuits opened and closed for different extents of movement of said carriage.
  • a recordin machine having a carriage, and a card-per orating machine, a system of punches in the perforating machine, punch-selecting devices, and actuating means which comprises relatively movable components mounted on the recording machine and by which desired action and inaction of those devices are made predetermined positions of the dependent on motionimparted to one of those los ⁇ ing relatively movable components mounted on the recording machine and its action bein dependent on movements imparted to one o those components by the carriage of the recordin machine.
  • a system of punches in the perforating machine and means which comprises a component mounted on the Jframe and another component mounted on and extending across the carriage of the recording machine and by which means the punching of a record of matter recorded in any predetermined field on a record sheet is made dependent on movement with the carriage o the latter component and its action 0n the other.
  • a system of punches in the punching machine and means which comprises a component mounted on the frame and another component mounted.
  • the latter component including formations corresponding to different fields in Which matter is recorded on a record-sheet, and by which means punching of a record of matter recorded in any predetermined field wherever on the sheet that field may be is made avoidable.
  • a system of punches in the perforating machine and means which comprises a component mounted on the frame and another component mounted on the carriage of the recording machine, one of these components crossing the other and being approximately as long as the carriage is Wide and including formations corresponding to different fields in which matter is recorded on a record-sheet, and by which means the punching of a record of matter recorded in any predetermined ield wherever on the record-sheet that Iield may be is made avoidable.

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  • Perforating, Stamping-Out Or Severing By Means Other Than Cutting (AREA)
  • Time Recorders, Dirve Recorders, Access Control (AREA)
US1790479D 1927-10-10 Automatic selecting bab Expired - Lifetime US1790479A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2676227A GB303844A (en) 1927-10-10 1927-10-10 Improvements in machines for punching statistical record cards

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US1790479A true US1790479A (en) 1931-01-27

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US1790479D Expired - Lifetime US1790479A (en) 1927-10-10 Automatic selecting bab

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BE (1) BE346023A (en))
GB (1) GB303844A (en))

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566931A (en) * 1948-11-23 1951-09-04 Ibm Record card punching machine
US2784785A (en) * 1951-10-10 1957-03-12 Ibm Typewriter controlled tape punch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566931A (en) * 1948-11-23 1951-09-04 Ibm Record card punching machine
US2784785A (en) * 1951-10-10 1957-03-12 Ibm Typewriter controlled tape punch

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Publication number Publication date
GB303844A (en) 1929-01-10
BE346023A (en))

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