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. 19, 1999
Filed:
Aug. 12, 1998
Applicant:
Inventors:
Kenji Narita, Kanagawa, JP;
Yasuhiro Hujimori, Kanagawa, JP;
Tsuyoshi Imamura, Kanagawa, JP;
Makoto Nakamura, Kanagawa, JP;
Kyota Koetuka, Kanagawa, JP;
Kenichi Ishiguro, Kanagawa, JP;
Takeo Araki, Kanagawa, JP;
Takahiro Yasunaga, Kanagawa, JP;
Assignee:
Ricoh Company, Ltd., Tokyo, JP;
Primary Examiner:
Int. Cl.
CPC ...
G03G / ; G03G / ;
U.S. Cl.
CPC ...
399286 ; 399279 ; 2989522 ; 29725 ; 492 47 ;
Abstract
A cylindrical structural body for use in an image forming apparatus and a method of producing the same are disclosed. The structural includes a cylindrical sleeve and flanges or similar end members respectively affixed to opposite ends of the sleeve. The flanges can be firmly and easily affixed to the sleeve without causing the sleeve to deform. The structural body is therefore low cost and highly accurate.