High-performance actuator array for disk drive with unitary actu

Details High-performance actuator array for disk drive with unitary actu High-performance actuator array for disk drive with unitary actu

1986-03-06

1991-12-03

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555, G11B 2110

Patent

active

050704230

ABSTRACT:
Disclosed are reciprocating carriage arms carried on roll bearings engaged on guide rails, where the arms are independently driven, having common "shared" magnet means. The coil-mounting portion of each arm is "twisted" 90.degree. so the set of coil units align along a common "magnet-plane" spanned by common drive magnet means. Also, the arms each mount three load-beams (heads) in "staggered" array to thus shorten the arm-stroke. Opposing sets of the guide rails are provided each on a unitary guide plate with the plates being coupled capturing the respective roll bearings therebetween for a unitary guide box means for all the carriage arms.

REFERENCES:
patent: 4318145 (1982-03-01), Frandsen
patent: 4396966 (1983-08-01), Scranton et al.
patent: 4475136 (1984-10-01), Manzke et al.

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