Disk chucking device

Details Disk chucking device Disk chucking device

1995-09-25

1997-10-28

Levy, Stuart S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

369271, G11B 1728, G11B 2300

Patent

active

056822782

ABSTRACT:
A chucking device for receiving and rotating a magnetic disk, the magnetic disk having a centrally-located drive spindle receiving hole and an off-center alignment hole. The chucking device includes a turntable, a drive spindle centrally-located on the turntable, and a support plate including a drive pin and a contact wall. The contact wall is formed adjacent the drive pin and is used to rotate the magnetic disk by pressing against an inner wall of the alignment hole. The drive pin is made of a low friction material, such as synthetic resin, and extends above the contact wall such that when the magnetic disk is mounted on the disk chucking device, the drive pin slides easily against the hub until the drive pin and contact wall are received in the alignment hole.

REFERENCES:
patent: 4654725 (1987-03-01), Wakaizumi
patent: 4700245 (1987-10-01), Sakaguchi
patent: 4707751 (1987-11-01), Ozaki et al.
patent: 4758915 (1988-07-01), Sakaguchi
patent: 4896232 (1990-01-01), Sugawara
patent: 5010427 (1991-04-01), Taguchi et al.
patent: 5103358 (1992-04-01), Munekata
patent: 5138606 (1992-08-01), Nishizawa

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