Disc clamping system with a dual action spring rate

Details Disc clamping system with a dual action spring rate Disc clamping system with a dual action spring rate

1997-09-17

2000-02-22

Klimowicz, William J.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9808, G11B 1702

Patent

active

06028739&

ABSTRACT:
A disc clamping system which exhibits a dual spring rate. The first spring rate is relatively low, allowing the disc clamping system to compensate for variations in dimensional tolerance buildup in the components of the disc stack, and is exhibited by the disc clamping system during initial tightening of the screws used to mount the disc clamp. The second spring rate is relatively high to provide tolerance to mechanical shocks applied in the disc drive's Z-axis, and is exhibited by the disc clamping system when the screws mounting the disc clamp to the spindle motor hub are tightened to a point of contact between contact features on the disc clamp and spindle motor hub.

REFERENCES:
patent: 4561035 (1985-12-01), McDorman et al.
patent: 5295030 (1994-03-01), Tafreshi
patent: 5333080 (1994-07-01), Ridinger et al.
patent: 5528434 (1996-06-01), Bronshvatch et al.

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