Actuator arm bumper in a disc drive

Details Actuator arm bumper in a disc drive Actuator arm bumper in a disc drive

1996-09-30

1999-01-26

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

360104, G11B 2122

Patent

active

058644440

ABSTRACT:
An actuator arm bumper for dampening contact between a surface of an actuator arm and a surface of a disc in a disc drive. The actuator arm bumper comprises a non-marring, non-particulating and durable material such as polycarbonate which extends through and beyond the cross-sectional thickness of the actuator arm. The actuator arm bumper is formed from a sphere or rod of polycarbonate material which is placed into an opening of the actuator arm and deformed using a heat staking or crimping operation. A ramp loading installation tool is also used to simultaneously form all of the actuator arm bumpers in the actuator arms of the disc drive.

REFERENCES:
patent: 3713121 (1973-01-01), Fassano et al.
patent: 4843503 (1989-06-01), Hazebrouck et al.
patent: 5422770 (1995-06-01), Alt

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