Mode switching mechanism for a cassette tape recorder

Details Mode switching mechanism for a cassette tape recorder Mode switching mechanism for a cassette tape recorder

1979-04-10

1980-11-04

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360137, G11B 554, G11B 2122

Patent

active

042323495

ABSTRACT:
A mode switching mechanism for a cassette tape recorder is provided with an operation member slidable from neutral position in either of opposite directions. The movement of the operation member is transmitted via a rockable switching lever to a support lever which supports a pinch roller and a magnetic head. The support lever is rocked from a stop mode position to a play mode position or a record mode position, thereby bringing the pinch roller and magnetic head into contact with a magnetic tape. The switching lever is biased by a spring to rock around a first fulcrum member or a second fulcrum member. The operation member has first and second contacts. When the operation member is slid from the neutral position in either direction, the first or second contact hits and rocks the switching lever around the first or second fulcrum member against the force of the spring. Since the switching lever is rocked about the first or second fulcrum member, the distance between either fulcrum member and the point where either contact hits the switching member is sufficiently long whichever direction the operation member is slid.

REFERENCES:
patent: 4050088 (1977-09-01), Okuda
patent: 4149203 (1979-04-01), Kobayashi et al.

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