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:
May. 23, 2017
Filed:
Dec. 10, 2015
Hideki Kimura, Kanagawa, JP;
Tadashi Ogawa, Tokyo, JP;
Hiroyuki Mabuchi, Kanagawa, JP;
Junichi Terai, Kanagawa, JP;
Hiroshi Kikuchi, Kanagawa, JP;
Yukio Otome, Ibaraki, JP;
Hiroaki Okamoto, Kanagawa, JP;
Hideki Kimura, Kanagawa, JP;
Tadashi Ogawa, Tokyo, JP;
Hiroyuki Mabuchi, Kanagawa, JP;
Junichi Terai, Kanagawa, JP;
Hiroshi Kikuchi, Kanagawa, JP;
Yukio Otome, Ibaraki, JP;
Hiroaki Okamoto, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A developing device includes a developer bearer, a developer regulator, a casing including an opposing face to oppose the developer bearer upstream from a developing range in a direction of rotation of the developer bearer, and first, second, and third seals. The first seal includes a first end secured to the casing and a second end to contact a latent image bearer upstream from the developing range in a direction of rotation of the latent image bearer. The second seal includes a first end secured to the opposing face of the casing, and a second end to contact the first seal upstream from the developing range. The third seal includes a first end secured to the opposing face of the casing, and a second end to contact developer on the developer bearer between the developer regulator and the developing range in the direction of rotation of the developer bearer.