Easily adjustable crash stop for a disc drive

Details Easily adjustable crash stop for a disc drive Easily adjustable crash stop for a disc drive

1993-02-01

1993-11-16

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360106, G11B 554, G11B 2122

Patent

active

052629139

ABSTRACT:
A crash stop is provided formed of a cast metal body having a contact surface made of butyl rubber material selected and dimensioned to provide easily controllable impact and shock absorbency characteristics. The adjustment of the limit of motion of the actuator is accomplished by mounting the crash stop to a fixed portion of the actuator or other stationary part of the disc drive in a manner that allows the crash stop to be rotated about an axis that is approximately perpendicular to the axis of motion of the actuator, and providing a contact surface which is an arc of a circle centered on an axis parallel to, but not coincident with, the axis of rotation of the crash stop. Thus, rotation of the crash stop about its mounting axis presents a contact point with the moving portion of the actuator that varies in distance from the mounting axis.

REFERENCES:
patent: 4346416 (1982-08-01), Riggle et al.
patent: 4716482 (1987-12-01), Walsh
patent: 4947274 (1990-08-01), Casey et al.
patent: 4949206 (1990-08-01), Phillips et al.
patent: 5134608 (1992-07-01), Strickler et al.
patent: 5187627 (1993-02-01), Hickox et al.

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