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:
Mar. 24, 2015
Filed:
Mar. 13, 2013
Kunio Hasegawa, Kanagawa, JP;
Hiroshi Nakai, Kanagawa, JP;
Takuya Sekine, Kanagawa, JP;
Kenji Komito, Kanagawa, JP;
Kunio Hasegawa, Kanagawa, JP;
Hiroshi Nakai, Kanagawa, JP;
Takuya Sekine, Kanagawa, JP;
Kenji Komito, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus is disclosed, including an image bearing member and a protective layer forming unit. In an embodiment, the protective layer forming unit includes a protective agent supplying member which rotatably contacts a surface of the image bearing member and an image bearing member protective agent. The image bearing member protective agent includes at least a metal salt of a fatty acid and an inorganic lubricant. The protective agent supplying member includes a core material and a foam layer formed on an outer periphery of the core material and including a plurality of cells. Finally, a drive torque of the image bearing member and a drive torque of the protective agent supplying member satisfy a formula.