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:
Nov. 05, 2024
Filed:
Sep. 03, 2021
Applicants:
Hideki Arimatsu, Shizuoka, JP;
Seiji Terazawa, Shizuoka, JP;
Sho Matsuyama, Shizuoka, JP;
Inventors:
Assignee:
RICOH COMPANY, LTD., Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0886 (2013.01); G03G 2215/0692 (2013.01);
Abstract
A shutter mechanism includes a shutter, a shutter support, and an elastic member. The shutter moves in one direction to close an opening. The shutter support supports the shutter. The elastic member biases the shutter and the shutter support in opposite directions. The shutter includes an abutting portion to hook on the shutter support with the abutting portion being biased by the elastic member. At least one of the abutting portion and the shutter support has a hook strengthening structure to strengthen hooking of the shutter on the shutter support.