Magnetic recording and reproducing apparatus

Details Magnetic recording and reproducing apparatus Magnetic recording and reproducing apparatus

1988-05-02

1989-09-05

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9906, G11B 5016

Patent

active

048644404

ABSTRACT:
A magnetic recording and reproducing apparatus having the magnetic disc cassette with a built-in shutter, a shutter lever for opening and closing the shutter and lock lever for controlling a lowering and raising of a holder are installed on an upper surface of the holder. During the insertion of the magnetic disc cassette, the shutter lever releases the shutter, the lock lever is disengaged from a locking step of an eject lever, the shutter lever is lowered into the cassette and releases the shutter, and a magnetic head contacts the magnetic disc. During ejection of the cassette, a lock releasing step of the eject lever is pressed on a stop lever, the stop lever is rotated and is disengaged from the lock lever, an operation lever of the lock lever is disengaged from the shutter lever, and the cassette is disengaged and simultaneously the shutter is closed. During a protective operation, the shutter lever is pressed on the shutter, a shutter push member of the shutter lever is pressed on the holder and is stopped, a lock claw of the lock lever remains engaged with a lock releasing step of the eject lever, and the cassette and the holder are not lowered and the magnetic head does not collide with the shutter.

REFERENCES:
patent: 4546397 (1985-10-01), Asami et al.
patent: 4587585 (1986-05-01), Shimaoka et al.
patent: 4604666 (1986-08-01), Kitahara et al.
patent: 4614990 (1986-09-01), Saito
patent: 4651240 (1987-03-01), Okita et al.

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