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:
Nov. 20, 1990
Filed:
Oct. 12, 1988
Mitsuhiko Hara, Kawasaki, JP;
Hiromichi Hirayama, Yokosuka, JP;
Masato Mihara, Hiratsuka, JP;
Mitsuo Harumatsu, Tokyo, JP;
Victor Company of Japan, Ltd., Yokohama, JP;
Abstract
A tape cassette driving system of a video tape recorder for driving the reels of the tape cassette comprises a main chassis for supporting a standard size tape cassette and a sub-chassis for supporting a compact size tape cassette. The main chassis carries a reel disk for driving a take up reel of the standard size tape cassette and the sub-chassis carries a drive gear adapted for engagement with the reel disk on the main chassis and further for engagement with teeth formed on the periphery of the take up reel of the compact size tape cassette. The sub-chassis is connected to the main chassis by a plurality of swing arms such that the sub-chassis is movable up and down relative to the main chassis. As a result of the connection by the swing arms, the sub-chassis is moved along a circular path when it is moved up and down and the engagement of the drive gear with the toothed part of the reel disk can be achieved smoothly. Further, the reel disk comprises a braking mechanism for preventing the reel disk from rotating when the reel disk is moved up and down. The braking mechanism is controlled by a mechanism which also controls the movement of the sub-chassis up and down.