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:
Sep. 26, 2017
Filed:
Aug. 11, 2016
Canon Kabushiki Kaisha, Tokyo, JP;
Shozo Aiba, Tsukubamirai, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus includes a toner image forming portion, an endless belt, first, second, and third rollers, and an urging roller, and satisfies: 25 (mm)>X>(R1+R2)−(R1−R2))−L1)+7 (mm), 3.5 (mm)≧Y>0.5 (mm), and L1>0 (mm). X is a distance between Lb passing through a rotation center of the third roller and perpendicular to an outer common tangential line L between the first and second rollers and Lc passing through a rotation center of the urging roller and L, R1 is a radius of the first roller, R2 is a radius of the urging roller, L1 is a distance between Lb and a line La passing through a rotation center of the first roller and L, and Y is a distance between L and a tangential line Ld of the urging roller parallel to L.