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.

Date of Patent:
Oct. 02, 2007

Filed:

Mar. 01, 2007
Applicants:

Seiichi Katoh, Miyagi, JP;

Takeshi Nanjyo, Hyogo, JP;

Koichi Ohtaka, Miyagi, JP;

Inventors:

Seiichi Katoh, Miyagi, JP;

Takeshi Nanjyo, Hyogo, JP;

Koichi Ohtaka, Miyagi, JP;

Assignee:

Ricoh Company, Ltd., Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G02B 26/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

Bearing portions having an approximately arc shape are provided on a lower surface of a plate-shaped member. In the bearing portions, stoppers of a regulating member are embedded. With the engagement of the lower surface of the plate-shaped member and the apex of a pivot member and the engagement of an inner surface of the bearing portions and a lower surface of the stoppers, the plate-shaped member is rotatably supported with the apex of the pivot member as a center. With a side surface of the regulating memberfacing a side surface of the bearing portions, the position of the plate-shaped member in a rotation axis direction is regulated.


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