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:
Sep. 04, 2007
Filed:
Jun. 18, 2004
Michinori Nakamura, Tokyo, JP;
Naruhiko Ito, Tokyo, JP;
Kazuaki Teshima, Tokyo, JP;
Kazuhiro Murakami, Tokyo, JP;
Kazuki Yokokawa, Tokyo, JP;
Takeshi Inoue, Tokyo, JP;
Naoki Kiyohara, Tokyo, JP;
Kazuaki Imaizumi, Tokyo, JP;
Yasushi Sawada, Tokyo, JP;
Hiroshi Ogawa, Tokyo, JP;
Hidekatsu Wada, Tokyo, JP;
Tomoaki Chiba, Tokyo, JP;
Michinori Nakamura, Tokyo, JP;
Naruhiko Ito, Tokyo, JP;
Kazuaki Teshima, Tokyo, JP;
Kazuhiro Murakami, Tokyo, JP;
Kazuki Yokokawa, Tokyo, JP;
Takeshi Inoue, Tokyo, JP;
Naoki Kiyohara, Tokyo, JP;
Kazuaki Imaizumi, Tokyo, JP;
Yasushi Sawada, Tokyo, JP;
Hiroshi Ogawa, Tokyo, JP;
Hidekatsu Wada, Tokyo, JP;
Tomoaki Chiba, Tokyo, JP;
Canon Finetech Inc., Ibaraki, JP;
Abstract
A coil springis provided in an empty room (inside of a fixing roller) of a main bodyof a roller. The coil springis in contact with an inside wallsurrounding the empty room of the roller main bodyand pushes the inside walloutward. The coil springand the inside wall faceare coated with a black filmexcept the contact portionof the coil springand the inside wall