Apparatus for combining linear and rotational motion of an azimu

Details Apparatus for combining linear and rotational motion of an azimu Apparatus for combining linear and rotational motion of an azimu

1996-08-08

1997-10-21

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555, G11B 2108

Patent

active

056802781

ABSTRACT:
A mechanism and method for providing rotational and linear movement to an azimuth tape recording head is disclosed. The mechanism includes a toothed gear upon which the read/write head is mounted. Two identical threaded shafts, each extending from identical stepper motors are mounted on a base, along a same vertical plane as the toothed gear. Rotational axes of the threaded shafts are arranged in a parallel relation such that each is meshably engaged to the toothed gear on opposing sides. Rotational movement of the head is achieved by synchronously rotating the threaded shafts, at the same speed, in opposite directions. Linear movement, or lifting/lowering, of the head is achieved by synchronously rotating one threaded shaft in one direction and the other threaded shaft in the opposite direction.

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patent: 4833558 (1989-05-01), Baheri
patent: 5448438 (1995-09-01), Kasetty

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