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. 25, 1989
Filed:
Jul. 14, 1987
Hiromitsu Saijo, Toyokawa, JP;
Hiroshi Ikeda, Aichi, JP;
Masamichi Hayashi, Aichi, JP;
Shinya Matsuda, Toyokawa, JP;
Minolta Camera Kabushiki Kaisha, Osaka, JP;
Abstract
An electrostatic latent image developing apparatus includes a rotatable developing sleeve, multiple fixed magnets provided in the developing sleeve and a brush-height regulating member provided opposite to the developing sleeve. One of the multiple magnets, which is provided opposite to the brush-height regulating member, is magnetized so that the region corresponding to 80% and more of the peak value in the magnetic force distribution curve of the magnet has a spread with a central angle of 20.degree. or greater on the exterior surface of the developing sleeve.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile