Dynamic information storage or retrieval – Dynamic mechanism subsystem – Specific detail of storage medium support or motion production
Patent
1985-04-17
1986-10-21
Stephan, Steven L.
Dynamic information storage or retrieval
Dynamic mechanism subsystem
Specific detail of storage medium support or motion production
G11B 362
Patent
active
046189513
ABSTRACT:
A disc clamp device comprises a turntable formed at its center with a concave portion, an elevatable frame with a shaft, and a clamp member mounted on the shaft. The clamp member has in an integral form an arm supported by the shaft, pressing faces formed at the tip of the arm in opposition to the turntable, and guide portions extending from the inside of the pressing faces in the direction of fitting in the concave portion of the turntable.
REFERENCES:
patent: 3768815 (1973-10-01), Mathurin
patent: 4125883 (1978-11-01), Rolph
patent: 4323870 (1980-11-01), Iemenschot
patent: 4408318 (1983-10-01), Sugiura
Okita Masao
Sakai Satoshi
Alps Electric Co. ,Ltd.
Shoup Guy W.
Stephan Steven L.
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