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. 23, 1985
Filed:
Feb. 19, 1982
Toshihiro Nakao, Tokyo, JP;
Olympus Optical Co., Ltd., Tokyo, JP;
Abstract
An accidental erasing preventive device is provided for a cassette tape recorder, which device includes a cassette compartment defined in a tape recorder body having therein, at least, a recording control circuit, the cassette compartment being arranged to be loaded with a tape cassette having in one lateral surface thereof at least one separatable accidental lock-out tab; an accidental erasing preventive lever disposed in a position opposing the accidental erasing lock-out tab of the tape cassette loaded in the cassette compartment, the accidental erasing preventive lever being arranged to rotate in a plane orthogonal to the bottom surface of the cassette chamber and detect the presence of the accidental erasing lock-out tab; and a resilient member biasing the accidental erasing preventive lever in the direction of allowing the latter to abut against the accidental erasing lock-out tab.