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. 13, 1989
Filed:
Jun. 16, 1987
Applicant:
Inventors:
Assignee:
Canon Kabushiki Kaisha, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G11B / ; G11B / ;
U.S. Cl.
CPC ...
360107 ; 36013024 ;
Abstract
A rotary head device comprising a stationary cylinder having a step portion on its peripheral surface to guide a tape-shaped medium and a rotary cylinder arranged to rotate freely relative to the stationary cylinder and having a corresponding diameter to that of the above-described stationary cylinder, the rotary cylinder being formed with an integral peripheral surface portion on the nearer side to the stationary cylinder of a rotary head mounted so as to project outwardly of a peripheral surface of the rotary cylinder.