Head positioner stack for high-capacity disc drives

Details Head positioner stack for high-capacity disc drives Head positioner stack for high-capacity disc drives

1995-08-10

1997-05-06

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

056277024

ABSTRACT:
A rotary voice coil actuator assembly for a disc drive, including a stack of head/flexure/arm assemblies, spacers and an actuator motor coil assembly arrayed on a substantially cylindrical actuator body, all held in place between a radially extending flange at a first end of the actuator body and a nut engaged with threads at a second end of the actuator body, and further including a compliant washer interposed between the lowermost member of the stacked actuator elements and the nut. In a preferred embodiment, the compliant washer is formed with a circumferential corrugation.

REFERENCES:
patent: 5003420 (1991-03-01), Hinlein
patent: 5404636 (1995-04-01), Stefansky et al.
patent: 5491598 (1996-02-01), Stricklin et al.

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