Self-compensating media centering and clamping mechanism for flo

Details Self-compensating media centering and clamping mechanism for flo Self-compensating media centering and clamping mechanism for flo

1984-04-30

1989-05-02

Wolff, John H.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

360 9912, G11B 5016

Patent

active

048273643

ABSTRACT:
For centering and clamping a disk-like recording medium on the spindle of a floppy disk drive, there is an expandible collet comprising a plurality of flexible fingers which have generally tangentially extending arcurately profile ribs for clamping the disk against the spindle. Due to the flexibility of the fingers, the ribs have a substantially constant, line-like footprint, which enables them to apply a predetermined, essentially constant, normal clamping pressure to the recording medium, even if the collet is slighted tilted with respect to the spindle or if the mating surfaces of the collet and spindle are not absolutely parallel or perfectly flat.

REFERENCES:
patent: 3643240 (1972-02-01), Raiser
patent: 4040634 (1977-08-01), Leedom
patent: 4077236 (1978-03-01), Dalziel
patent: 4125883 (1978-11-01), Rolph
patent: 4151573 (1979-04-01), Tandon
patent: 4193101 (1980-03-01), Carlson
patent: 4218065 (1980-08-01), Van der Hoek et al.
patent: 4326227 (1983-04-01), Schluter
patent: 4409629 (1983-10-01), Puls
patent: 4413294 (1983-11-01), Beijes
patent: 4430678 (1984-02-01), Hack et al.
patent: 4466033 (1984-08-01), Jordan et al.
patent: 4561035 (1985-12-01), McDorman et al.
Holecek et al., "Loading Collet For Flexible Disk", IBM Tech. Disc. Bull., vol. 21, No. 1, Jun. 1978.

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