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:
Feb. 28, 1984
Filed:
Dec. 08, 1981
Isao Ikemoto, Hachioji, JP;
Junichi Koiso, Hachioji, JP;
Akihiko Tamura, Hachioji, JP;
Tsugio Hirabayashi, Hachioji, JP;
Konishiroku Photo Industry Co., Ltd., Tokyo, JP;
Abstract
In an electrostatic image reproducing system, the developing unit or cleaning unit comprises a first magnetic brush having a first revolving element which revolves on a first revolving axis, and a plurality of magnets inside the first revolving element. The first revolving element is adjacent to an image recording body and confronts the image recording area of the image recording body. A second magnetic brush unit is axially adjacent to the first magnetic brush unit for attracting and transferring developer, the second magnetic brush unit including a second revolving element having a second revolving axis therein which is substantially colinear with the first revolving axis. The second magnetic brush unit does not confront the image recording area of the image recording body.