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:
Dec. 08, 1987
Filed:
Mar. 12, 1984
Kiyoshi Chikashige, Tokyo, JP;
Clarion Co., Ltd., Tokyo, JP;
Abstract
The magnetic tape guiding cylinder device includes a rotatable upper cylinder; a fixed lower cylinder opposed to the upper cylinder and having a cylindrical member integrally formed with and penetrating through a bottom plate at one end of the lower cylinder which is remoter from the upper cylinder, the cylindrical member being provided with bearings at both axial end portions; a drive shaft rotatably supported by the lower cylinder via the bearings to drive the upper cylinder, the cylindrical member being grasped by a chuck during finishing operation of the lower cylinder. The device is particularly characterized in that the cylindrical member is formed with a circular groove along the outer circumference between the bottom plate and one of the axial end portions which is remoter from the upper cylinder.