Linear drive motor apparatus for adjusting the relative position

Details Linear drive motor apparatus for adjusting the relative position Linear drive motor apparatus for adjusting the relative position

1996-12-16

1998-10-06

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

369215, G11B 2108

Patent

active

058186662

ABSTRACT:
A linear motor drive apparatus for moving a head carriage in a direction perpendicular to tracks on a recording medium includes a permanent magnet, first yoke for supporting the permanent magnet, a second yoke, and a coil fixed on the head carriage and wound around the second yoke. The permanent magnet is disposed in a direction parallel to a moving direction of the head carriage. The second yoke is disposed to be spaced apart from the permanent magnet at a predetermined interval. An adjusting mechanism is provided in the apparatus so as to adjust a relative position between the first and second yokes to adjust the predetermined interval.

REFERENCES:
patent: 4286298 (1981-08-01), Rinkleib
patent: 4812934 (1989-03-01), Suzuki et al.
patent: 5138605 (1992-08-01), Shtipelman et al.
patent: 5267111 (1993-11-01), Nishimura et al.

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