US1677897A - Analyzer unit for tabulating machines - Google Patents

Description

July 24, 1928.

W. W. LASKER ANALYZER UNIT FOR TABULATING MACHINES Filed April 29, 1925 2 Sheds-Sheet 2 Patented July 24, 1928.

UNITED STATES I PATENT OFFICE.

WILLIAM W. LASKER, OF BROOKLYN, NEW YORK, ASSIGNOPI, BY MESNE ASSIGNMENTS, TO REMINGTON RAND INC., OF NEW YORK, N. Y., A CORPORATION OF DELAWARE.

ANALYZER UNIID FOR TABULATING MACHINES Application filed April 29, 1925. Serial 3109265685.

The present invention relates to tabulating machines or machines of like character employing an analyzing pin box, and relates more particularly to an analyzer unit or pin box which can be shifted at will to a position so that. access can be had to a card located between the registration plates or one in analyzing position.

Some of the objects of the present invention are to provide an improved analyzer unit for machines operating in ctfiijunction with perforated record cards; to provide a pin box or analyzer unit which can beshifted from its operating position, without dis-' assembling it or any of its parts, to give access to the card registration mechanism; to provide means operable at will to ive access to a card which has failed to eed properly into registering position; to provide means whereby loss of operating time caused by jammed cards is reduced toa minimum;' to provide a pin box which is hinged or pivoted so that it may be moved into or out of operativerelation to the card registration mechanism; and to provide other improvements as will hereinafter appear. v

In the accompanylng drawings Fig. 1

, represents a plan of a pin box or analyzing' .unit embodying one form of the present invention; Fig. 2 represents a side elevation of the same; Fi 3 represents an end elevation of the unit; and Fig. 4 represents an end elevation showing the unit swung away from the registration mechanism.

Referring to the drawings, one form of the present invention consists of a pin box or analyzing unit 10 ofthe type generally employed in connection with machines used for assembling, arranging and totalling statistical or other data by the use of forations punched in control cards 11. he pin box 10 consists of a rectangular frame 12 having transverse perforated pin guide plates 13 and 14 for the analyzing pins 15 which correspond in number and posltion to the perforation positions of the control card. Upper and lower perforated re 'stration plates 16 and 17 are arranged in the path of the pin box and properly alined with respect thereto so that'movement of the pin box to analyzing osition will bring the analyzing pins 15 t rough the plate 16 to either engage a card between the plates 16 21, each of which has a guide bore 22 for mounting its cross-head for sliding move-v ment. Two vertically disposed guide posts 23 respectively fit the bores' 22 to support the crossheads' 21 for reciprocating movement whereby the pin box 10 is brought into engagement with the card and then removed therefrom. The cross-heads 21 are respec-.

tively provided with studs 19 and link receiving openings 24 whereby reciprocating motion can be transmitted by any suitable mechanism arranged to function in the proper timed relation. i,

For the purpose of allowing the pin box 10 to be removed from its normally superposed relation with respect to the card registration plates 16 and 17, the same ends of the two end pieces of the frame 12 are formed respectlvely with apertured ears 25 which receive the guide rod 18 to support the pin box 10 on that side. with a pivotal or hinged connection. The opposite side of the pin box 10 is arranged to be releasably interlocked with therod 20 by the provision of plate keepers 26 which are formed with slots 27 to receive studs 28 by means of which the keepers are slidably supported upon the respective ends of the pin box frame 12. Normall projected beyond the side of the pin 'box opposite to the pivotal support thereof by the keepers 26 are held springs 29 respectively extending between lugs 30 of the keepers 26 and the ends of the pin box frame. The outer ends of the keepers 26 are preferably bifurcated to formirecesses 31 of a shape and'size to fit snugly I readily apparent and its advantages appreciated by those skilled in the art. In analyzing units as heretofore constructed it it impossible to gain direct access to the card registration mechanism without disassembling some part or parts and in general when a card becomes caught or jammed in the card passage the practice is to claw it out with anything that is handy or suitable for the purpose. As a result the card is torn or destroyed and the machine is idle while the card is being removed.

By the present invention such delays are avoided and the percentage of destroyed cards is materially reduced, because as soon as a card ceases to feed or is iammed in the card passage the machine is stopped and by pushing the fingers 32 in the proper direction the keepers 26 are removed from locking relation with the rod 20. This releases one side of the pin box 10 and it can then be swung back upon its pivoted ears 25, entirely away, from the registration plates which are then accessible so that the card or cards can be reached and quickly taken out. then the pin box-10 is swung back to oper ating position and the keepers 26 are automatically ushed back by the engagement of the inclined faces 33 with the rod and This takes but an instant and then snap into locking position by the action of the springs 29.

departing from the spirit of the invention or the scope of the appended claim.

Having thus described my invention, I claim:

In a device of the character stated, an

analyzing unit, a support frame 'for said unit including two spaced rods, apertured ears secured to one side of said unit and mountedon one of said rods for movement relative thereto, keepers respectively mounted on opposite ends of said unit, means on said keepers for respectively interlocking with the other of said rods to lock. said unit in analyzing position, springs holding said keepers respectively in locked position, and means manually engageable'atwill for releasing said keepers to swing said unit out of operative osition.

Signed at hiladelphia, county of Philadelphia, State of Pennsylvania, this 81st day of March, 1925.

WILLIAM w. LASKER.

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