Cassette tape driving device

Details Cassette tape driving device Cassette tape driving device

1997-03-21

1998-06-09

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 554, G11B 2122

Patent

active

057644390

ABSTRACT:
An arm 17 adapted to swing with its one end 17a pressed by a protrusion 12 made by protruding the axle of an idle gear 10 is disposed under a body chassis 1. A plate slide lever 18 adapted to horizontally move forward and backward by the swing of the other end 17b of the arm 17 is disposed at the other end 17b of the arm 17. A guide channel 20 is provided in the slide lever 18. The guide channel 20 includes a guide portion adapted to guide a pin 19 so as to vertically move the head base 8. An upper end lock portion 22 adapted to lock the head base 8 at its elevated position by means of the pin 19 and a lower end lock portion 23 adapted to lock the head base 8 at its elevated position by means of the pin 19 are provided at both ends of the guide channel 20. The head base can be vertically moved smoothly and can be firmly locked at predetermined positions.

REFERENCES:
patent: 4646174 (1987-02-01), Hayashi et al.
patent: 5018032 (1991-05-01), Otsuki
patent: 5036407 (1991-07-01), Yoshida et al.
patent: 5214551 (1993-05-01), Kaneda
patent: 5307221 (1994-04-01), Mikawa et al.
patent: 5349488 (1994-09-01), Shibata et al.
patent: 5351157 (1994-09-01), Kunze et al.
patent: 5377061 (1994-12-01), Yoshimura
patent: 5402289 (1995-03-01), Hayashi et al.

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