US2660888A - Checking device for perforator and perforator tapes - Google Patents

Checking device for perforator and perforator tapes Download PDF

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US2660888A
US2660888A US766762A US76676247A US2660888A US 2660888 A US2660888 A US 2660888A US 766762 A US766762 A US 766762A US 76676247 A US76676247 A US 76676247A US 2660888 A US2660888 A US 2660888A
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sensing
perforation
carrier
pin
lever
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Stuivenberg Cornelis Hendricus
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  • the invention relates to a testing device for perforator cards and perforator tapes, the card that is to be tested being sensed by mechanical devices. It is an object of this invention to provide a testing device of the aforementioned type in which it will suffice that all the parts necessary for the checking process are be applied to one side only of the card to be investigated. Ascording to the invention, this object is reached because the sensing device that is sensing a perforation place, in the position while it is sensing a perforation place, is blocked in the direction parallel with the card only when there is a perforation, whereas it can be moved parallel with the card when there is no perforation.
  • Fig. 1 is a section through a testing device according to the invention with the various elements in normal position;
  • Figs. 2-5 illustrate sections similar to that of Fig. l, but with the various elements in different positions;
  • Fig. 6 shows a testing device comprising an auxiliary device for printing indications by means of which a card can be visibly checked to determine whether it has been properly perforated or not;
  • Figs. 7-8 represent the auxiliary device in various positions.
  • Fig. 1 only some key levers or feelers 1 cf the sensing mechanism have been shown. Below the key levers a joint strip 2 is provided,
  • a device i has been connected to each bar 5, which device 1 with a pin 8 drops into a part of the twoarm lever in, sustained at a shaft 9 and having its lower end fork-shaped.
  • the lever ID near its upperarm is provided with a pin II adapted to drop into a notch I2 of a slide l3.
  • the other extremity of the slide it is provided with another notch lli adapted to engage a pin 15 carried by an angle-lever I I that is pivotally mounted on a shaft I 6.
  • the shiftable member 29 is guided by a bar 2!
  • the shiftable member At its lower part the shiftable member has a nose 22 projecting to the left and a nose 23 directed to the right.
  • a bar 24 is hinged at its lower end to the strip 2, while the upper end of bar 24 is connected to an angle-lever 25 pivotally supported by a shaft 26.
  • the second arm of the angle-lever 25 is provided with a pin 2'! adapted to engage the upper fork-shaped part of an arm 28 of a bridge member is, which is pivotally supported by a shaft 30.
  • Another arm 3! of this bridge member as is provided with a pin a release bridge 34 pivotally supported by a shaft 35.
  • sensing devices 36 have been provided, which have grooves 3'6 that engage a bar 38.
  • the sensing devices are each influenced by a spring 39.
  • Each sensing device acts as a carrier for a. feeler pin til 32 adapted to engage a groove 33 of 1 directed downwardly.
  • are different in height; the right hand side acts as striking device for the shifting of the relevant sensing devices 35 under the influence of the appropriate spring 39 to theleft, while the left hand side in a manner to be explained later, in co-operation with the shaft 35 is adapted to prevent a shifting of the relevant sensing device 36.to the right.
  • the springs 39 have been so arranged as to urge the sensing devices to the left; moreover they tend to revolve the :bar .38 in anticlockwise direction.
  • the cards are sensed column for column. Therefore, there is a row of sensing or feeler pins 46 positionsd one behind the other with regard to the drawings adapted for registration with the columns of perforations on the cards. In other words, the row of sensing pins extends at right angles to the plane of the drawings.
  • the card is moved in the machine stepwise so as to bring columnafter column under the row of sensing or feeler pinsi iil. This'stepwise movement of the card is well'iknown in the-art.
  • the release bridge 34' If the release bridge 34' isrevolved anti-clockwise around the shaft 35, it; will release the sensing devices 35. As av result thereof, the feeler pins All of the sensing devioes136;under influence ofthe springs .39 come to rest on theeard-that is to be tested, or,iwhen the sensed places "contain perforations, the pins lil willgpass'through' the card.
  • the revolution ofythe-sensing-or feeler devices 3'5 whiohtakes place 'duringJthe sensing of a perforation, islimited.becausethe'relevant sensing devices with their lower side come to rest on the shaftttl. On that occasion'the left hand limitation of the notch Al iszin-such a poto its lowest-position,
  • Levers 42 have been pivotally supported by the shaft 30, i. e. as many levers 42 as there are sensing devices 36.- The levers 32 have such of it lies opposite the associated sensing device 36, when the respective sensing or feeler pin All has not gone through a perforation of the card that is to be tested. Pivotally connected to each lever -52 by means of a conical part 43 is a twoarm lever Alt.
  • a blocking bridge 48 has been fixed on a shaft ll.
  • the shaft 4'! can be revolved accordingly; in that manner it is possible to obtain a blocking of the device that checks the perforations, or an indicating device for mistakes can be operated.
  • Such blocking methods that operate with the step by step switching on of the carriage with cards as well as with the keys of the testing equipment are known and therefore no further;details of them are given here.
  • the card does actually contain a hole where a perforationzis. supposed to be.
  • the card does not contain a perforation where a perforation is supposed to be. 3.1The card does not contain a perforation where no perforation is supposed to be.
  • the card does contain a perforation where no perforation is supposed to be.
  • the testing equipment in the-cases l and 3 the testing equipment must enable a further operation with the testf ing equipment, while inthe cases 2 and 4 an indication of a mistake or a blocking of the test ing equipment must originate.
  • the feeler pin cc of the sensing device 35 has passed through the perforation in the card.
  • the bridge 29 At the revolving of the bridge 29 it finally knocks against the levers 42 of all the perforation places and carries these levers along anti-clockwise around the shaft 30.
  • the lever 42 of the considered perforation place is also revolved in the'sai'd direction.
  • the associated sensing device 38 is in the lowest position, the
  • lever a2 is no more opposite the sensing device 38, but it can move freely over this device.
  • the bend of the two-arm lever 44 that is connected by means of the conical part 43 to the lever 32, will during the revolution of the lever 22, however, abut the sensing device 3'6 and will then be stopped. Consequently, at a further revolution of the lever 42, the lever it makes a clockwise revolution, the slide "55 being shifted to the right against the thrust of the spring 4t. Since the nose 22 of the revolvable shiftable member 29 is no longer opposite the slide 35 but opposite the sensing device 36, the shift of the slide 35 has no influence.
  • This shift can take place since the left hand limitation of the notch 35 of the sensing device 36 can be moved across the shaft 35.
  • the nose 22 of the shiftable member 28 is moved by the wiping device 36, and in that manner the shiftable member 20 is revolved anti-clockwise around the shaft 2!.
  • the shiftable member 20 knocks against the blocking bridge 48 and by means of this bridge the shaft 41 is revolved anti-clockwise, the testing device being blocked.
  • the resetting of the various parts is effected at the release of the depressed testing key in exactly the same manner as described above in case 1.
  • the released blocking remains, however, operative, so that a step by step switching of the card carriage is not originated and all the testing keys cannot be depressed.
  • the blocking of these keys can be released in a known manner by a separate key, after which, if by mistake a wrong key is depressed, the right key can be depressed.
  • a signalling member for a mistake above or below the relative card column can be depressed, so that then the mistake that was stated during the test, can be derived from the tested card.
  • the machine can be decoupled by the release key, and the zero key can switch on the card carriage over one step, after which the testing of the remaining columns can be continued.
  • the feeler pin ie of the sensing device 36 passes through that perforation, the sensing device 36 coming to rest with its lower side on the shaft Now the sensing device St is blocked again by the limitation of the notch 3
  • the lever 42 is revolved anticlockwise by the bridge 23
  • a shifting of the slide 45 to the right takes place in the manner described above under 1.
  • the shiftable member 2B is in its upper position, the slide it engages the nose 22 of the shiftable member 2a and thus effects a revolution of the blocking bridge 48.
  • the blocking of the testing equipment of the perforation can be released again by the mentioned special key.
  • the testing i equipmentaccording to" the inventionin all four instances discussed above operates. reliably, so thatthe testing equipment is, blocked whenever a mistake is discovered, irrespective of whether the mistake consists in the lack of a perforation or the presence-of a perforation where no perfora tion should be.
  • the described testing equipment can be provided with a device for printing testing signals. this case the bridge 29 is equipped r h another arm having a pin so.
  • the pin 59 (Lo-operates with two printing devices 52 and 53 that have been arranged on the bar 38, so that they can be shifted; printing devices 52 and 55., i are influenced by a spring, principal have the s i is form, they areonly diff out 1" cm each other by the form oftheirxexproject to the right.
  • the length of k-.. printir device 52 is a little greater than that of the printing devi e 53 and further has a notch 5
  • Both the prin devices and 53 at their bottom side have notch 55 of an almost rectangular form and further a roof-shaped elevaat the end of which a striking side 5: is provided.
  • the printing devices 5'3 and 53 each have been equipped for printing a dash, the printing signals being impressed, however, in different places. 'If dashes are used as printing signals, and in all the columns of a card the result of the test turns out the right a continuous dash under the perforation held of the card will be formed. If, however, a .nistake was discovered in a column, the continuous line is interrupted at the relevant place and a dash corresponding to the Width of a column impressed above or below the line.
  • the operation of the described printing equipment is as follows:
  • the printing device 52 is released for printing and the printing device 53 is blocked or the printing device ⁇ it is r leased and the printing device is blocked. This operation is effected by the notch 5d of the printing device 52 and by the different lengths of the two printing devices and 53 in co-operation with the blocking bridge If the blocking bridge G8 is in its normal position, the right hand extremity of the printing device 53 engages the blocking bridge 48.
  • the printing device 52 with a notch 5t: iszopposite the-blocking bridge to so that the lastprintingdevicefl can effect its printing movement.
  • the blocking bridge at is in the blocking position, only the outside end of the printingxdevice 52 comes under the blocking bridge it clue to the different lengths of thetwo printing devices52 and 53. In this instance, the printingdevice 53 has been released for the print ing movement, while the. revolution of the printing device 52 is blocked by the engagement with the blocking. bridge 48.
  • mistakes may occur, because too few perforations are present in card columnsv that have been found incorrectlyperforated,..while the perforations which. are present are at those places where they are supposed to be.
  • an indicating device can be provided at the testing equipment which indicating device gives diiferentsignals dependent on whether the mistake is due to the presence. or "the absence of a perforation.
  • two electric switches 59 and El can be equipped for each'perforation'place, the switch 59 being at the upper position of the revolvable shifting member'iil opposite the extension 23, while the switch iii! can be controlled by the revolvable device 2i! in'its lowest position by means of the extension 23.
  • the two switches can con trol arbitrary indication devices, e. g.
  • a device for sensing perforated records which comprises in combination, supporting means for supporting a record to be sensed, sensing means normally spaced from said supporting means to allow insertion of a record to be sense between said supporting means and said sensing means, said sensing means comprising a feeler pin adapted to'enter a perforation in said record, a carrier arranged to move in a direction substantially transverse to the direction of movement ofsaid'pin when entering'a perforation, said carrier supporting said pin, control means operatively associated with said carrier and operable to move saidcarrier in said transverse.
  • said sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting the pin and movable in a direction transverse to the said direction of movement of the pin, control means associated with the carrier operable when actuated to urge the carrier in said transverse direction, means for actuating said control means simultaneously with the initiation of a sensing operation, an abutment engageable with the carrier when the pin enters a perforation to prevent said transverse movement of the carrier, and signal means operable by the carrier when movement of the carrier takes place due to the absence of a perforation in the record to receive said pin.
  • a device for sensing perforated records comprising in combination; supporting means to support a record to be sensed, sensing means normally spaced from said supporting means to permit insertion of a record to be sensed between the supporting means and sensing means, said sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting the pin and movable in a direction transverse to the said direction of movement of the pin, control means associated with the carrier operable when actuated to urge the carrier in said transverse direction, means for actuating said control means simultaneously with the initiation of a sensing operation, an abutment engageable with the carrier when the pin enters a perforation to prevent said transverse movement of the carrier, and signal means operable by the carrier when movement of the carrier takes place due to the absence of a perforation in the record to receive said pin, there being a transmitting member having a first position between the carrier and signal means where movement of the carrier is effective to actuate the signal means and
  • a device for sensing perforated records comprising in combination; supporting means to support a record to be sensed, sensing means normally spaced from said supporting means to permit insertion of a record to be sensed between the supporting means and sensing means, said sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting the pin and movable in a direction transverse to the said direction of movement of the pin, control means associated with the carrier operable when actuated to urge the carrier in said transverse direction, means for actuating said control means simultaneously with the initiation of a sensing operation, an abutment engageable with the carrier when the pin enters a perforation to prevent said transverse movement of the carrier, a control member spaced from said carrier and operatively connected to said control means for being moved thereby in the said transverse direction when the said carrier engages said abutment, and signal means adapted for actuation by movement of said carrier and said control member in the said transverse
  • a device for sensin perforated records comprising in combination; supporting means to support a record to be sensed, sensing means normally spaced from said supporting means to.
  • said sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting the pin and movable in a direction transverse to the said direction of movement of the pin, control means associated with the carrier operable when actuated to urge the carrier in said transverse direction, means for actuating said control means simultaneously with the initiation of a sensing operation, an abutment engageable with the carrier when the pin enters a perforation to prevent said transverse movement of the carrier, a control member spaced from said carrier and operatively connected to said control means for being moved thereby in the said transverse direction when the said carrier engages said abutment, a transmitting member having a first position of alignment with said carrier and a second position of alignment with said control member, signal means adapted for actuation by movement of said transmitting member by the oneof said carrier and control member with which it is aligned.
  • a device for sensing perforated records comprising in combination; supporting means to support a record to be sensed, sensingmeans normally spaced from said supportng means to permit insertion of a record to be sensed between the supporting means and sensing means, said sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting the pin and movable ina direction transverse to the said direction of movement of the pin, control means associated with the carrier operable when actuated to urge the carrier in said transverse direction, means for actuating said control means simultaneously with the initiation of a sensing operation, an abutment engageable with the carrier when the pin enters a perforation to prevent said transverse movement of the carrier,
  • a device for sensing perforated records comprising in combination; supporting means to support a'record to be sensed, sensing means normally spaced irom said supporting means to permit insertion of a record to be sensed between being moved thereby in the said transverse direction' when the said carrier engages said abutment, at transmitting member having a first position of alignment with said carrier and a second position of alignment with said control member, signal means adapted for actuation by movement of said transmitting member by the one of said carrier and control member with which it is aligned, and means to initiate a sensing operation including means to position said transmitting member in one or the other of its first and second positions according to whether or not there is supposed to be a perforation at the point the record is to be sensed.
  • a device for sensing perforated records comprising in combination; supporting means to support a record to be sensed, sensing means normally spaced from said supporting means to permit insertion of a record to be sensed between the supporting means and sensing means, said sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting the the pin and movable in a direction transverse to the said direction of movement of the pin, a pivoted control arm movable in the said transverse direction upon initiation of a sensing operation, said arm engaging and moving said carrier in saidtransverse direction when the feeler pin engages'the surface of the record and passing idly by the said" carrier when the pin enters a perforation; a lever pivoted on the arm and having means'on one side of its pivot'to engage the carrier'when'th'e pin enters a perforation, a control member connected with the lever on the other side'of'the said pivot, and abutment means engageable
  • a device for 'sensingperforated records comprising in combination; supporting means to support 'a record'to be sensed, sensing means normally spaced from said supporting means to permit insertion of a record to be sensed between and sensing means, said thesupportin'g means sensing means comprising a feeler pin movable generally perpendicularly to the record to enter a perforation therein, 'a carrier supporting the pin'and movable in a direction transverse to the saiddirectionof movement control arm movable in the said transverse direction'upon" initiation of a sensing operation, said arm engaging and moving said carrier in said transverse direction when the feeler pin engages the surface of the record and passing idly by the said carrier when the pin enters a perforation, a lever pivoted on the arm and having means on one'side' of its 'pivot'to engage the carrier when the pin enters a perforation,'a control member connected withthe lever on the other sideof the saidpivot, an
  • sensing means normally spaced from said supporting means to permit insertion of a record to be sensed between the supporting means and sensing means, said sensing means comprising a feeler pin movable gen-' erally perpendicularly to the record to enter a perforation therein, a carrier supporting the pin and movable in a direction transverse tothe said direction of movement of the pin, a pivoted the said transverse di-,
  • control arm movable in rection upon initiation of a sensing operation, said arm engaging and moving said carrier in said transverse direction when the feeler pin engages the surface of the record and passing idly by the said carrier when the pin enters a perforation, a lever pivoted on the arm and having means on one side of its pivot to engage the carrier when the pin enters a perforation, a control member connected with t -e lever on the other side of the said pivot, an abutment means en-, gageable with the carrier when the pin enters a perforation to prevent movement of the carrier in the said transverse direction, thereby to cause pivoting of said lever on said arm and actuation of said control member, a transmitting member having a first position of operative alignment with said carrier and a second position of operative alignment with said control member to be moved by whichever of the carrier and control member it is alignedwith should that one thereor be actuated during a sensing operation, a shaft rockable to prevent further operation of the device,
  • a device for sensing perforated records comprising in combination; supporting means to support a record to be sensed, sensing means normally spaced from said supportingmeans to permit insertion of a record to be sensed between the supporting means and sensing means, said sensing means comprising a f-eeler pin movable generally perpendicularly to the record to enter a perforation therein, a carrier supporting thepin and movable in a direction transverse to the said direction of movement of the pin, a pivoted control arm movable in the said transverse direction upon initiation of a sensing opera tion, said arm engaging and moving said carrier in said transverse direction when the feeler pin engages the surface of the record and passing idly by the said carrier when the pin enters.
  • a lever pivoted on the arm and having means on one side of its pivot to engage the carrier when the pin enters a perforation, a control member connected with the lever on the other side of the said pivot, an abutment means engageable with the carrier when the pin enters a perforation to prevent movement of the carrier in the said transverse direction, thereby to cause pivotingof actuation'of said control member, a transmitting member having a first position of operative align,- ment with said carrier and a second position of operative alignment with said control member to be moved by whichever of the carrier and control member it is aligned with should that one thereof be actuated during a sensing operation, a shaft rockable to prevent further operation of the device, a bar on the shaft engageable by said transmitting memberiineach of its first and said lever on said arm and- 13 second positions, whereby the device is halted when an error in the record being sensed is sensed, a pair of printing elements for printing on the record, means to move the printing elements

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US766762A 1945-02-14 1947-08-06 Checking device for perforator and perforator tapes Expired - Lifetime US2660888A (en)

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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1879529A (en) * 1930-11-10 1932-09-27 Tabulating Machine Co Perforated card controlled machine
US2055186A (en) * 1933-12-15 1936-09-22 Accounting & Tabulating Corp Machine for verifying perforated record cards
US2078084A (en) * 1935-11-01 1937-04-20 Remington Rand Inc Card verifier

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1879529A (en) * 1930-11-10 1932-09-27 Tabulating Machine Co Perforated card controlled machine
US2055186A (en) * 1933-12-15 1936-09-22 Accounting & Tabulating Corp Machine for verifying perforated record cards
US2078084A (en) * 1935-11-01 1937-04-20 Remington Rand Inc Card verifier

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