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:
Nov. 18, 2014
Filed:
Feb. 19, 2013
Kunio Hasegawa, Kanagawa, JP;
Hiroshi Nakai, Kanagawa, JP;
Takuya Sekine, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
An image forming apparatus includes at least: an image bearing member; a protective layer forming unit including at least a protective agent supplying member and an image bearing member protective agent; and a rotational speed controlling unit. In at least one embodiment, the protective agent supplying member includes a core material and a foam layer including a plurality of cells, and a number of cells n existing at a contact portion between a surface of the image bearing member and the protective agent supplying member is greater than 9 and less than 23. Further, a traveling speed V of the cells with respect to the surface of the image bearing member at the contact portion is greater than 837 cells/mm2/s and less than 4,670 cells/mm2/s.