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:
Aug. 04, 2020

Filed:

May. 06, 2019
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Toshiki Miyakawa, Yokohama, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03B 15/05 (2006.01); F21V 21/30 (2006.01);
U.S. Cl.
CPC ...
G03B 15/05 (2013.01); F21V 21/30 (2013.01); G03B 2215/0521 (2013.01); G03B 2215/0578 (2013.01);
Abstract

A rotation restricting structure includes a main body a rotator rotatable with respect to the main body, and a rotation restricting member which restricts rotation of the rotator, wherein the rotator includes a rotating plate which rotates with rotation of the rotator with respect to the main body, one of the rotating plate or the main body has a protrusion portion, the rotation restricting member has a contacting portion contactable with the protrusion portion and a rotational shaft which is pivotally supported by the other of the rotating plate or the main body, the protrusion portion contacts the contacting portion by rotation of the rotator, thereby the rotational angle range of the rotator being restricted, and a position of the contacting portion provided on the rotation restricting member is different from a position of the rotational shaft provided on the rotation restricting member.


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