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:
Aug. 04, 2015
Filed:
May. 22, 2014
Yuki Moro, Kanagawa, JP;
Noriyuki Kamiya, Kanagawa, JP;
Hiroya Abe, Kanagawa, JP;
Masashi Nakayama, Kanagawa, JP;
Soichiro Fukutomi, Kanagawa, JP;
Rei Suzuki, Kanagawa, JP;
Takashi Innami, Kanagawa, JP;
Yuusuke Arai, Kanagawa, JP;
Yuki Moro, Kanagawa, JP;
Noriyuki Kamiya, Kanagawa, JP;
Hiroya Abe, Kanagawa, JP;
Masashi Nakayama, Kanagawa, JP;
Soichiro Fukutomi, Kanagawa, JP;
Rei Suzuki, Kanagawa, JP;
Takashi Innami, Kanagawa, JP;
Yuusuke Arai, Kanagawa, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A roller includes a cylindrical body having openings on both ends thereof and a press-fit member fitted in at least one of the openings of the cylindrical body with an outer circumferential face thereof in contact with an inner face of the cylindrical body. The outer circumferential face of the press-fit member is grooved obliquely to an axis of the cylindrical body, and the inner face of the cylindrical body is smooth at least in a portion that contacts the outer circumferential face of the press-fit member.