Head shift mechanism in a magnetic tape apparatus

Details Head shift mechanism in a magnetic tape apparatus Head shift mechanism in a magnetic tape apparatus

1982-06-22

1985-06-11

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360 75, 360 964, G11B 554

Patent

active

045232415

ABSTRACT:
A head shift mechanism in a magnetic tape apparatus includes a rotatably driven gear, a movably supported engaging member intermittently engageable with the gear, and a cam member which is operatively coupled to and moves simultaneously with the engaging member. A movably supported changeover member is cooperable with and moves in response to movement of the cam member, and a selectively actuable arrangement causes the gear to drivingly engage the engaging member. A movably supported operating member has a magnetic head thereon, and the changeover member can cause a movably supported control member to move the operating member to an advanced position. A lock arrangement is provided to releasably lock the control member in a position where it holds the operating member in the advanced position, and selectively actuable release arrangement is provided for releasing the lock arrangement.

REFERENCES:
patent: 4167764 (1979-09-01), Hanajima
patent: 4393426 (1983-07-01), Nakanishi
patent: 4403265 (1983-09-01), Okada et al.
patent: 4425591 (1984-01-01), Ito et al.

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