The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 21, 1986
Filed:
Apr. 17, 1985
Applicant:
Inventors:
Masao Okita, Furukawa, JP;
Satoshi Sakai, Furukawa, JP;
Assignee:
Alps Electric Co., Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
369270 ;
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.