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. 24, 2004
Filed:
Mar. 07, 2003
Katsumi Adachi, Nara, JP;
Masamitsu Sakuma, Hirakata, JP;
Taisuke Kamimura, Kitakatsuragi-gun, JP;
Kiyoshi Toizumi, Nara, JP;
Toshimitsu Gotoh, Yamatokoriyama, JP;
Sharp Kabushiki Kaisha, Osaka, JP;
Abstract
A developing device comprises: a toner carrying member ( ) for carrying toner T towards a photosensitive drum, using a traveling wave electric field; a belt member ( ) which is provided so as to cover the surface of the toner carrying member ( ), the surface facing the photosensitive drum ( ); a belt drive roller ( ) which is in touch with the belt member ( ) so as to rotate the belt member ( ) around the toner carrying member ( ); and a drive assistance roller ( ) for sandwiching the belt member ( ) with the belt drive roller ( ). With this arrangement, it is possible to provide a developing device which is silent, small in size, and capable of reducing costs, and an image forming device including the developing device.
Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile