Magnetic card drive assembly

Details Magnetic card drive assembly Magnetic card drive assembly

1977-01-28

1979-02-20

Sewell, Paul T.

Registers

Coded record sensors

Guides

235449, 400 73, G06K 1306, G06K 708

Patent

active

041402731

ABSTRACT:
A magnetic card drive assembly for use with an electronic typewriter is provided for driving a magnetic card supported on a platform with a top surface and a card guide surface thereon. The magnetic card drive assembly includes a drive wheel supported for rotation on a frame. The frame has an alignment surface formed thereon for mating with cooperating alignment faces of a pair of lugs extending from the card platform. The engagement of the alignment surface of the drive wheel frame against the alignment faces of the lugs automatically aligns the frame and the drive wheel relative to the card guide surface. The drive wheel is further alignable relative to the plane of the top surface of the card platform by adjustment of one of three retaining screws connecting the drive wheel frame to the card platform. This screw cooperates with a compression spring acting between the frame and the card platform to position the periphery of the drive wheel tangent to the plane of the top surface of the card platform.

REFERENCES:
patent: 3260340 (1966-07-01), Locklar et al.
patent: 3674125 (1972-07-01), Kolpek
patent: 3978964 (1976-09-01), Kwan

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