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:
Mar. 08, 2022
Filed:
Jan. 13, 2021
Yutaka Goto, Kanagawa, JP;
Seiichi Kogure, Kanagawa, JP;
Atsushi Nakamoto, Kanagawa, JP;
Daisuke Hamada, Kanagawa, JP;
Takuya Akiyama, Kanagawa, JP;
Yuuki Aoki, Tokyo, JP;
Yutaka Goto, Kanagawa, JP;
Seiichi Kogure, Kanagawa, JP;
Atsushi Nakamoto, Kanagawa, JP;
Daisuke Hamada, Kanagawa, JP;
Takuya Akiyama, Kanagawa, JP;
Yuuki Aoki, Tokyo, JP;
RICOH COMPANY, LTD., Tokyo, JP;
Abstract
A roller unit includes a roller, an arm, a holder, a tension spring, and a restriction member. The arm rotatably holds the roller. The holder swingably holds the arm. The tension spring includes a first hook at one end of the tension spring and a second hook at another end of the tension spring. The first hook is hooked on an arm-side hook of the arm. The second hook is hooked on a holder-side hook of the holder. The restriction member is configured to restrict movement of the tension spring in a state in which the first hook or the second hook is unhooked.