Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specific detail of storage medium support or motion production
Patent
1985-04-02
1987-01-13
Stephan, Steven L.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Specific detail of storage medium support or motion production
360 99, A63D 700, G11B 362
Patent
active
046370102
ABSTRACT:
A disc clamp device of the type in that a hub frame is provided elevatably above a turntable and a clamp member fittable with the turntable is mounted on a hub shaft inserted through the hub frame. The hub shaft has a stop member outside the hub frame and a spring rest inside the hub frame, with a clamp spring interposed between the spring rest and the clamp member. The spacing between the stop member and the spring rest is selected larger than the thickness of the hub frame.
REFERENCES:
patent: 4358803 (1982-11-01), Van Der Giessen
patent: 4408318 (1983-10-01), Sugiura
patent: 4420830 (1983-12-01), Green
Alps Electric Co. ,Ltd.
Shoup Guy W.
Stephan Steven L.
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