Reel brake and associated tension arm control device for a rever

Details Reel brake and associated tension arm control device for a rever Reel brake and associated tension arm control device for a rever

1984-03-20

1987-01-06

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head moving during transducing

Tape record

360 963, G11B 5027, G11B 5008, G11B 1500, G11B 1700

Patent

active

046351469

ABSTRACT:
An automatic tape loading type recording and/or reproducing apparatus comprises a mechanism for loading a tape in a predetermined path in which the tape makes contact with a guide drum by intercepting and drawing the tape out of the tape cassette, a mechanism for moving the tape in the predetermined path in forward and reverse directions depending on a mode of the apparatus, a tension control mechanism for controlling a tension in the tape and comprising a tension arm and a braking member which acts on a supply reel disc, a cam mechanism for operating a braking system which is provided with respect to supply and take-up reel discs and comprising a cam body which rotates in response to the mode of the apparatus, a cam controlling mechanism responsive to a reverse reproduction mode of the apparatus, for rotating the cam body to a predetermined rotational position which is different from a rotational position of the cam body during a normal recording or reproducing mode of the apparatus, and a mechanism operated in response to the rotation of the cam body to the predetermined rotational position, for causing the tension control mechanism to assume an inoperative state by rotating the tension arm in a predetermined direction so that the braking member becomes inoperative with respect to the supply reel disc.

REFERENCES:
patent: 4121267 (1978-10-01), Hayashi
patent: 4499513 (1985-02-01), Umeda

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