Drive mechanism for cassette-enclosed magnetic tape

Details Drive mechanism for cassette-enclosed magnetic tape Drive mechanism for cassette-enclosed magnetic tape

1987-04-02

1989-06-06

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360 95, G11B 5027

Patent

active

048376450

ABSTRACT:
A guide drum has recording or reproducing heads and a loading device has vertical poles and inclined poles for pulling out a tape from a tape cassette mounted on the recording/reproducing apparatus and for wrapping the tape around the guide drum. The loading device includes a pole driving mechanism for driving the poles and a toggle mechanism for causing a pinch roller to come into contact with a capstan so that the tape is interposed therebetween after the tape is wrapped around the guide drum. The toggle mechanism comprises a pinch roller cam driven in accordance with the movement of the pole driving mechanism, a pinch roller arm having the pinch roller and rotatably supported at one end portion and a link member coupled between the pinch roller cam and the pinch roller arm. With this arrangement, the pinch roller is directed to the capstan in response to the movement of the link member due to the movement of the pole driving mechanism.

REFERENCES:
patent: 4056833 (1977-11-01), Schulz
patent: 4092684 (1978-05-01), Umeda
patent: 4517613 (1985-05-01), Shibaike et al.
patent: 4616274 (1986-10-01), Nagaoka

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