Guide mechanism for head transfer apparatus

Details Guide mechanism for head transfer apparatus Guide mechanism for head transfer apparatus

1989-09-05

1991-05-21

Severin, David J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

050180339

ABSTRACT:
A head transfer apparatus includes a magnetic substance disposed on a movable unit assembly driven by a magnetic circuit in a tracking direction. The magnetic substance is operative, under the force of a leakage flux of the magnetic circuit, to produce a magnetic force to urge a bearing of the movable unit assembly against a guide, thereby controlling a clearance between the bearing and the guide or lowering a bearing pressure imposed on the bearing by the weight of the movable unit assembly.

REFERENCES:
patent: 4415821 (1983-11-01), Wedman et al.
Norwood, "Magnetic Actuator Preload", IBM TDB, Apr. 1980, vol. 22, No. 11, p. 4832.

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