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:
Jun. 02, 2015
Filed:
Apr. 28, 2014
Canon Kabushiki Kaisha, Tokyo, JP;
Jun Nakagaki, Abiko, PA;
Yuhei Takei, Abiko, JP;
CANON KABUSHIKI KAISHA, Tokyo, JP;
Abstract
A belt driving apparatus is configured so as to satisfy a relationship μ(2T sin(θ/2)+f)<μ(2T sin(θ/2)+f), wherein μis a dynamic friction coefficient between the supporting roller and the endless belt, μis a dynamic friction coefficient between the steering roller and the endless belt, θis a winding angle of the endless belt with respect to the supporting roller, θis a winding angle of the endless belt with respect to the steering roller, fis the first external force applied to the supporting roller through the endless belt, fis the second external force applied to the steering roller through the endless, and T is a tension force applied to the endless belt by the tension roller.