Disk hub spindle system

Details Disk hub spindle system Disk hub spindle system

1982-05-27

1985-03-05

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

369282, 369290, 360 86, 360 97, G11B 370, G11B 582

Patent

active

045035300

ABSTRACT:
A hub and spindle assembly for an interchangeable, removable disk of a disk drive. The spindle assembly includes means for driving the hub assembly, matingly attached and removably engaged thereto, so as to rotate the disk coupled to the hub. The hub assembly includes surfaces for engaging an accurately machined rotational surface of the spindle assembly and force engaging means for ensuring mating contact of the hub assembly surfaces with the spindle assembly and for ensuring removeable engagement. The hub and spindle assembly minimize runout such that the Read/Write heads track an essentially circular disk track, even if the disk is removed, reinserted or placed on a different spindle of the same type.

REFERENCES:
patent: 2607616 (1952-08-01), Davidson
patent: 3030131 (1962-04-01), Scherry
patent: 3801476 (1974-04-01), Roschmann et al.
patent: 4035098 (1977-07-01), Griffin
patent: 4166622 (1979-09-01), Rager
patent: 4306259 (1981-12-01), Saito
patent: 4358843 (1982-11-01), Rager
"Bifurcated Hub Key", IBM Technical Disclosure Bulletin, Bernard et al., Jun. 1979, vol. 22, No. 1.

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