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:
Apr. 02, 1991
Filed:
Dec. 26, 1989
Applicant:
Inventors:
Osamu Shigenai, Furukawa, JP;
Keiichi Sato, Shiogama, JP;
Assignee:
Alps Electric Co., Ltd., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360 9906 ; 360 9902 ;
Abstract
In a shutter opening device including a lever member to be operated according to an inserting force of a disc cartridge which lever member operates to open a shutter of the disc cartridge in a direction perpendicular to an inserting direction of the disc cartridge, the lever member is provided at its contact end portion with an inclined surface adapted to contact a corner of the shutter.