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:
Jun. 11, 1996
Filed:
Jan. 13, 1993
Applicant:
Inventor:
Takashi Ota, Miyagi, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360132 ;
Abstract
A tape cassette comprises a cassette proper for containing therein a recording tape. The cassette proper is constructed of a plastic. At least one positioning opening with a collar therearound is provided in the cassette proper. An annular bearing member is fitted in the positioning opening to reinforce the same. The annular bearing member is constructed of a relatively highly wear resistant material which has a relatively low sliding friction.