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, 1984
Filed:
Jan. 20, 1983
Applicant:
Inventors:
Yozo Matsuura, Tokyo, JP;
Kazuhiro Yuasa, Zama, JP;
Assignee:
Ricoh Company, Ltd., , JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G / ;
U.S. Cl.
CPC ...
355 15 ; 1525652 ; 118652 ;
Abstract
A magnetic cleaning device for cleaning a surface to be cleaned by removing magnetic particles therefrom includes a rotatable sleeve of a nonmagnetic material on the outer peripheral surface of which is planted a plurality of fibers to form a fur brush, a plurality of magnets disposed inside of and along the inner peripheral surface of the sleeve, a rotatable magnetic roll disposed adjacent to the sleeve for having the magnetic particles transferred from the sleeve to the roll, and a collection unit including a scraper to scrape the transferred particles off the roll.