Winding – tensioning – or guiding – Strand tensioning device – Tortuous course
Patent
1980-05-14
1982-07-06
Christian, Leonard D.
Winding, tensioning, or guiding
Strand tensioning device
Tortuous course
242200, G03B 104, G11B 1532
Patent
active
043379087
ABSTRACT:
A cassette or cartridge-loading tape transport is disclosed, for use in magnetic recorders and the like, especially data recorders. The device includes tracks for slidably receiving a cassette or cartridge. A plate is slidably supported below the tracks and a drive motor is mounted on the plate. A constant-force spring biases the plate to a forward position. A plurality of lever arms supporting rollers are pivotally mounted adjacent the plate. Each lever arm includes a cam surface cooperating with a cam surface on the plate so that the rollers on the arms are moved from a lowered, inoperative position to a raised position engaging, locating and locking the cassette or cartridge within the recorder. A constant-force spring biases the lever arms to a raised position.
REFERENCES:
patent: 3924823 (1975-12-01), Cohen et al.
patent: 4065800 (1977-12-01), Wilson et al.
patent: 4085906 (1978-04-01), Dahl et al.
Christian Leonard D.
Northern Telecom Systems Corporation
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