Support mechanism for an eccentric drive pin in rotating disk da

Details Support mechanism for an eccentric drive pin in rotating disk da Support mechanism for an eccentric drive pin in rotating disk da

1992-06-17

1993-11-23

Kwon, John T.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 5016

Patent

active

052649784

ABSTRACT:
A disk drive of the kind having a turntable for supporting a flexible magnetic disk thereon, a spindle extending centrally through the turntable for centering engagement in a first opening formed centrally in a sheet metal hub of the disk, and a drive pin arranged eccentrically of the turntable for driving engagement in a second opening formed eccentrically in the disk hub. For supporting the drive pin, a sheet metal drive pin support of approximately arcuate shape is mounted on the underside of the turntable for joint rotation therewith and has the drive pin erected on one end thereof so as to extend with clearance through an opening in the turntable. The drive pin support with the drive pin thereon is movable linearly relative to the turntable in a plane parallel to that of the turntable along a first notional line orthogonally intersecting a second notional line extending through the axes of the drive pin and the spindle. A biasing spring acts between turntable and drive pin support for biasing the drive pin at least in a predetermined direction of rotation of the turntable.

REFERENCES:
patent: 4445157 (1984-04-01), Takahashi
patent: 4758915 (1988-07-01), Sakaguchi
patent: 4873595 (1989-10-01), Taguchi et al.
patent: 4903155 (1990-02-01), Maekawa et al.
patent: 4989107 (1991-01-01), Tsukahara
patent: 5010427 (1991-04-01), Taguchi et al.
patent: 5077726 (1991-12-01), Dodds et al.
patent: 5103358 (1992-04-01), Munekata
patent: 5126900 (1992-06-01), Munekata
patent: 5151836 (1992-09-01), Ichihara

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