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. 28, 1998
Filed:
Feb. 27, 1997
Applicant:
Inventors:
Eiji Ohshima, Kanagawa, JP;
Atsuhiro Kumagai, Kanagawa, JP;
Assignee:
Sony Corporation, Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G11B / ;
U.S. Cl.
CPC ...
360128 ;
Abstract
Very small grains (103) are attached to a cleaning roller (100) made of a porous and flexible material such as a polyurethane foam or the like. In a magnetic head cleaning apparatus in which the cleaning roller that is brought in rotatable contact with a rotary head drum on which a magnetic head for recording and/or reproducing a magnetic tape is mounted to thereby clean the magnetic head, even adhesive alien substances that cannot be removed in the prior art can be removed with ease.
Ohshima, Eiji. (1998). Apparatus for cleaning heads of a rotary drum in a recording and/or (U.S. Patent No. 5745320). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/5745320
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile