Registers – Calculators – Input-output calculator to indicator – printer – etc.
Patent
1976-05-13
1977-07-19
Canney, Vincent P.
Registers
Calculators
Input-output calculator to indicator, printer, etc.
271 9, G11B 2510
Patent
active
040364305
ABSTRACT:
A manually operated card reader for reading punched data recorded on a standard sized tabulation card and for reading punched data recorded on an appropriately sized identification badge or card is disclosed. Data is read from the standard sized tabulation card when the card is inserted in a first opening and conveyed through a curved passageway by manually pulling the card from a second opening. Data is read from the identification badge or card when the badge is inserted in the second opening and then withdrawn. In either case, the punched data is detected by an array of optical sources and optical sensors mounted along the opposite walls of the passageway near the second card opening. A pair of rollers, mounted between the first and second card openings, turn freely to permit pulling the standard tabulation card from the second card opening. If the card is pulled back toward the first opening, the rollers are wedged between the card and an inclined plate to frictionally engage the card and prevent card movement toward the first opening to prevent a second reading of data columns. A portion of the passageway located between the rollers and the optical reading station is configured to abut the end of a badge or card inserted through the second opening to stop such a badge from travelling through the passageway more than a predetermined distance. This badge stop mechanism does not impair the movement of a card through the passageway when the card is inserted through the first opening and pulled from the second opening. The card reader is constructed with two molded plastic plates that interlock to define the card openings and the passageway. The badge stop mechanism, the mounting arrangement for the rollers and the mounting arrangement for the optical reading apparatus are molded integral portions of the two plates. The optical sources and sensors and the rollers are retained in the molded plastic plates without the use of conventional fasteners such as screws. Structural cooperation between the contour of the curved passageway, the rollers and the badge stop mechanism exert frictional forces on a tabulation card pulled through the passageway such that operation of the card reader to read the punched data requires a positive manual force.
REFERENCES:
patent: 3456117 (1969-07-01), Ritzert et al.
patent: 3582617 (1971-06-01), Berler
patent: 3588379 (1971-06-01), Young et al.
patent: 3621265 (1971-11-01), Berler
patent: 3936042 (1976-02-01), Smith et al.
Canney Vincent P.
Ebco Industries, Ltd.
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