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. 21, 2018
Filed:
May. 24, 2017
Jun Okamoto, Tokyo, JP;
Yoshio Hattori, Kanagawa, JP;
Yuusuke Furuichi, Kanagawa, JP;
Haruyuki Honda, Kanagawa, JP;
Kiwako Hiroi, Kanagawa, JP;
Kenichi Hasegawa, Kanagawa, JP;
Jun Okamoto, Tokyo, JP;
Yoshio Hattori, Kanagawa, JP;
Yuusuke Furuichi, Kanagawa, JP;
Haruyuki Honda, Kanagawa, JP;
Kiwako Hiroi, Kanagawa, JP;
Kenichi Hasegawa, Kanagawa, JP;
Ricoh Company, Ltd., Tokyo, JP;
Abstract
A pressure and pressure relief device includes a rotator, a pressure body, a first pressure lever, and a biasing mechanism. The biasing mechanism includes a first elastic body, a second pressure lever, a cam, and a cam follower. A relations of L>LL>Land L<Lare satisfied. Lrepresents a length between a first fulcrum of the first pressure lever and a point of load of the first pressure lever. Lrepresents a length between the point of load of the first pressure lever and a hook portion of the first pressure lever. Lrepresents a length between a pivot of the second pressure lever and a second fulcrum of the second pressure lever. Lrepresents a length between the second fulcrum of the second pressure lever and a fastened portion of the second pressure lever.