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. 29, 1986
Filed:
Jan. 16, 1985
Applicant:
Inventors:
Masatoshi Okamura, Saku, JP;
Haruo Shiba, Saku, JP;
Kenji Hashizume, Saku, JP;
Yoshiya Sakata, Saku, JP;
Assignee:
TDK Corporation, Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03B / ; G11B / ;
U.S. Cl.
CPC ...
242198 ;
Abstract
A magnetic tape cassette comprises a locking means which is slidable between a locking position of engagement with a pair of reels held in the magnetic tape cassette and a releasing position of disengagement from the reels. The locking means is provided with a pair of flexible pawls. A guide rib is fixed to the inner bottom surface of a cassette casing and between the pair of flexible pawls, the width of the guide rib being decreased toward the root of the pair of flexible pawls and a pair of guide pins are provided at the outside of the pair of flexible pawls.