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.:

US 11650523 B1

Date of Patent:

May. 16, 2023

Filed:

Oct. 01, 2021

Image forming apparatus including a transfer member with a rotatable conductive shaft having a void and having an elastic portion which covers a periphery of the shaft

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Jun Asami, Shizuoka, JP;

Taisuke Minagawa, Shizuoka, JP;

Assignee:

Canon Kabushiki Kaisha, Tokyo, JP;

Attorney:

Canon U.S.A., Inc. I.P. Division

Primary Examiner:

Joseph S Wong

Int. Cl.

CPC ...

G03G 15/16 (2006.01);

U.S. Cl.

CPC ...

G03G 15/1685 (2013.01); G03G 15/1675 (2013.01);

Abstract

In a case where a transfer roller is viewed from a direction orthogonal to a rotation axis direction of a shaft, the shaft includes in a longitudinal direction a first contact portion which is provided on an end portion side of an elastic portion and in which the shaft and the elastic portion are in contact with each other and a second contact portion which is provided on a more inner side than the first contact portion and in which the shaft and the elastic portion are in contact with each other. The transfer roller includes a void between the first contact portion and the second contact portion in the longitudinal direction, and the void is arranged at least on a more inner side than an end portion of a transfer material having a maximum size.

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Asami, Jun. (2023). Image forming apparatus including a transfer member with a rotatable conductive shaft having a void and having an elastic portion which covers a periphery of the shaft (U.S. Patent No. 11650523). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/11650523

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