Supporting device for minimizing vibration, noise and external i

Details Supporting device for minimizing vibration, noise and external i Supporting device for minimizing vibration, noise and external i

1994-12-01

1996-12-24

Evans, Jefferson

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 3308

Patent

active

055878555

ABSTRACT:
The present invention relates to a supporting device for minimizing physical shocks, vibrations and noise of a hard disk drive and more particularly to a hard disk drive in which a supporting device having a damper is installed to protect data recorded on a disk from being lost and to protect the disk or the head from being damaged due to the physical shocks, vibrations and noise. A supporting device for minimizing the physical shocks, vibrations and noise in a hard disk drive having a disk rotating at high speed by the driving of a spindle motor, and a head assembly including an actuator and a magnetic head for writing and reading data recorded in the individual tracks of the disk, and a plate having a substantially same thermal expansion coefficient as that of a base body fixed to the shaft of the spindle motor, a pivot supporting the head assembly, and a damper attached to an upper portion of the plate, for damping the physical shocks, vibrations and noise.

REFERENCES:
patent: 4491888 (1985-01-01), Brown et al.
patent: 4598328 (1986-07-01), Frangesh
patent: 4812932 (1989-03-01), Hishinuma et al.
patent: 5004207 (1991-04-01), Ishikawa et al.
patent: 5021905 (1991-06-01), Sleger
patent: 5081552 (1992-01-01), Glaser et al.
patent: 5187621 (1993-02-01), Tacklind
patent: 5214549 (1993-05-01), Baker et al.
patent: 5235482 (1993-08-01), Schmitz
patent: 5282100 (1994-01-01), Tacklind et al.
Hewlett Packard Technical Specifications; "HP 97501A--31/2 10 Mbyte Micro-Winchester Disk Drive"; Nov. 1984.

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