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. 11, 2025
Filed:
Feb. 28, 2023
Canon Kabushiki Kaisha, Tokyo, JP;
Atsushi Kawarago, Shizuoka, JP;
Takeshi Tsukahara, Shizuoka, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A shaft on which a torque limiter is mounted includes a rotation restricting portion. The rotation restricting portion is inserted into and engaged with an engaging portion of the torque limiter. The rotation restricting portion is provided with an outer circumferential portion which is projected in an outer diameter direction from an outer circumference of the shaft and of which an outer circumferential surface is formed parallel with an outer circumferential surface of the shaft and an engaging portion connected to the outer circumferential portion and engaging with the engaging portion of the torque limiter. The engaging portion of the rotation restricting portion is provided with a tip portion of a R shape opposing the engaging portion of the torque limiter, and a width thereof in a direction perpendicular to an inserting direction into the engaging portion of the torque limiter is a width capable of being inserted into the engaging portion of the torque limiter.