Clamping mechanism for information recording disk

Details Clamping mechanism for information recording disk Clamping mechanism for information recording disk

1988-06-08

1989-06-20

Stephan, Steven L.

Dynamic information storage or retrieval

Dynamic mechanism subsystem

Specific detail of storage medium support or motion production

360 9912, G11B 1704

Patent

active

048415189

ABSTRACT:
A clamp mechanism for clamping an information recording disk such as a compact disk or a video disk to a turntable and which provides a strong and reliable clamping force despite variations in the thicknesses of the disks to be reproduced. The clamp mechanism includes a clamper including a magnet retaining member, a ring-like pressing member arranged to abut the information recording disk, and a plate spring member interconnecting the retaining member and the pressing member in such a manner that the retaining member and the pressing member are vertically movable relative to each other.

REFERENCES:
patent: 4541086 (1985-09-01), Tanaka
patent: 4570256 (1986-02-01), Tamaru
patent: 4627037 (1986-12-01), Tamaru et al.
patent: 4701901 (1987-10-01), Imai
patent: 4707751 (1987-11-01), Ozaki et al.

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