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:
Dec. 27, 2005
Filed:
Jan. 14, 2004
Applicant:
Shigeru Yoshiki, Tokyo, JP;
Inventor:
Shigeru Yoshiki, Tokyo, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G015/08 ;
U.S. Cl.
CPC ...
Abstract
A bearing seal structure of the present invention is applicable to a developing device included in an image forming apparatus. The structure includes two seal members included in a bearing portion and each having a respective elastic seal lip configured to seal the outer periphery of a shaft in contact therewith. Grease is sealed between the two seal members and between one of the seal members closer to the bearing portion than the other and the bearing portion.