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:
Oct. 13, 2015
Filed:
Sep. 10, 2012
Yoshiko Ogawa, Tokyo, JP;
Osamu Endou, Kanagawa, JP;
Yasuyuki Ishii, Tokyo, JP;
Yuuji Ishikura, Kanagawa, JP;
Hideyasu Seki, Kanagawa, JP;
Tetsuro Hirota, Kanagawa, JP;
Yoshiko Ogawa, Tokyo, JP;
Osamu Endou, Kanagawa, JP;
Yasuyuki Ishii, Tokyo, JP;
Yuuji Ishikura, Kanagawa, JP;
Hideyasu Seki, Kanagawa, JP;
Tetsuro Hirota, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A development device includes a developer bearer to carry by rotation developer to a development range facing a latent image bearer, and a planar metal developer regulator to adjust an amount of developer carried by the developer bearer to the development range. The developer bearer includes a developer carrying range having surface unevenness, and the developer regulator includes a fixed end portion held by a regulator holder and a free end portion to contact a surface of the developer bearer.