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:
May. 22, 2018
Filed:
Jun. 30, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
An optical scanner includes a polygonal mirror; a mirror for reflecting the beam from the polygonal mirror; an optical box having a cap and containing the mirror; a first mirror regulating portion in a direction of a normal line of the mirror, the first regulating portion being provided opposed to such a surface of the reflecting surface and a back surface as is closer to the cap; and a second mirror regulating portion in a beam sub-scanning direction, the second regulating portion being provided opposed to such a surface of the mirror as is closer to the cap; wherein the mirror has a plurality of apex lines, and the first regulating portion and the second regulating portion are disposed at positions which are remoter from the cap than the apex line that is closest to the cap, with respect to a direction perpendicular to a main scan direction.