Disk drive rotary actuator having arm with cross-member containi

Details Disk drive rotary actuator having arm with cross-member containi Disk drive rotary actuator having arm with cross-member containi

1997-11-24

1999-08-10

Heinz, A. J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Drum record

G11B 555

Patent

active

059368080

ABSTRACT:
A magnetic recording disk drive uses a rotary actuator with an elastomeric damping member located on the actuator arm. The actuator head support arm has a pair of rails that extend from the actuator pivot to the distal end where the read/write heads are supported. A lateral cross-member extends between and interconnects the rails. The cross-member contains a recess, and elastomeric damping material is located in the recess. The recess is a cut completely through the cross-member so that the cross-member is formed as two stubs extending from respective rails with a gap between the stub ends. The damping material is located in the gap and damps vibration of the actuator arm.

REFERENCES:
patent: 4408238 (1983-10-01), Hearn
patent: 4819094 (1989-04-01), Oberg
patent: 4843503 (1989-06-01), Hazebrouck et al.
patent: 4933792 (1990-06-01), Sleger et al.
patent: 5382851 (1995-01-01), Loubier
patent: 5408372 (1995-04-01), Karam
patent: 5491598 (1996-02-01), Stricklin et al.
patent: 5572387 (1996-11-01), Brooks
patent: 5771135 (1998-06-01), Ruiz
patent: 5801905 (1998-09-01), Schirle

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