Disc mounting apparatus having a pressing means for pressing on

Details Disc mounting apparatus having a pressing means for pressing on Disc mounting apparatus having a pressing means for pressing on

1994-04-22

1997-01-07

Tupper, Robert S.

Dynamic magnetic information storage or retrieval

Record transport with head stationary during transducing

Disk record

G11B 17022

Patent

active

055923500

ABSTRACT:
A disc mounting apparatus arranged to handle a flexible disc having a center core which is attached at a central portion of the disc and is provided with an engaging hole, the apparatus including a spindle engageable with the engaging hole of the center core of the disc, the spindle having a flange portion for receiving thereon the center core, the spindle rotating the disc, presser member for pressing the center core of the disc against the flange portion of the spindle, the presser member having at least two pressing portions arranged so that only the at least two pressing portions act on respective almost diametrically opposite portions on an annular surface of the center core, and so that a remaining portion of the presser member does not contact the center core, and an operation mechanism for operating the presser member to press the center core of the disc through the pressing portions, the operating mechanism operating in association with the position of the disc relative to the spindle, increasing the pressing force by the presser member as the disc approaches the spindle, and separating the pressure member from the center core when the disc is completely mounted with the spindle.

REFERENCES:
patent: 4420830 (1983-12-01), Green
patent: 4498161 (1985-02-01), Eisemann
patent: 5084796 (1992-01-01), Uehara et al.
patent: 5162958 (1992-11-01), Uehara et al.

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