Mechanism to dampen vibration of a stop pin of a disc drive actu

Details Mechanism to dampen vibration of a stop pin of a disc drive actu Mechanism to dampen vibration of a stop pin of a disc drive actu

1997-03-27

1998-09-08

Cao, Allen T.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

058053875

ABSTRACT:
An E-block has an actuator arm carrying a slider; the E-block being rotatable to position the slider over a selected track of a recording disc of a magnetic disc drive. The E-block has a stop pin arranged to engage a first stop when the slider is positioned adjacent an inner track on the disc and to engage a second stop when the slider is positioned adjacent an outer track on the disc. A damping mechanism is attached to the E-block and engages the stop pin to dampen vibration in the stop pin. In one embodiment, the damping mechanism includes a rigid arm mounted to the E-block and a resilient damper mounted to the arm and to the pin. In one form of this embodiment, the resilient damper includes an aperture, and the stop pin is supported within the aperture in interference fit to the damper.

REFERENCES:
patent: 4879617 (1989-11-01), Sampietro et al.
patent: 4989108 (1991-01-01), Chang
patent: 5227936 (1993-07-01), Strickler et al.
patent: 5381290 (1995-01-01), Cheng
patent: 5491598 (1996-02-01), Stricklin et al.

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