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:
Oct. 03, 2023
Filed:
Jun. 02, 2021
Toshiba Tec Kabushiki Kaisha, Tokyo, JP;
Yasushi Kuribayashi, Mishima Shizuoka, JP;
TOSHIBA TEC KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A scanline curvature correction mechanism includes a holding mechanism to extend in a main scanning direction and hold an optical element in the main scanning direction, a pressing member provided near a center of the optical element in the main scanning direction and press the optical element of the optical scanning device in the sub-scanning direction, and a curvature adjustment mechanism provided on an opposite side of the pressing member with the optical element interposed therebetween and to adjust a curvature of the optical element in the sub-scanning direction. The curvature adjustment mechanism includes an eccentric cam to rotate around a rotation axis parallel to an optical axis of the optical element and include a cam portion of which an outer peripheral surface is eccentric with respect to the rotation axis, and a fixing mechanism to stepwisely fix an angular position of rotation of the eccentric cam.