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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 9442418 B1

PDFFull Text
Expired
Date of Patent:
Sep. 13, 2016

Filed:

Oct. 14, 2015

Developing device, process cartridge and image forming apparatus

Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventors:

Takahiro Kawamoto, Yokohama, JP;

Kazuhisa Kemmochi, Suntou-gun, JP;

Masayoshi Kato, Tokyo, JP;

Makoto Fukatsu, Suntou-gun, JP;

Atsushi Nakamoto, Tokyo, JP;

Kazunari Hagiwara, Yokohama, JP;

Yasunori Chigono, Atsugi, JP;

Shuhei Tokiwa, Tokyo, JP;

Takeshi Yamamoto, Yokohama, JP;

Assignee:

CANON KABUSHIKI KAISHA, Tokyo, JP;

Attorney:

Fitzpatrick, Cella, Harper & Scinto

Primary Examiner:

Gregory H Curran

Int. Cl.
CPC ...
G03G 15/08 (2006.01);
U.S. Cl.
CPC ...
G03G 15/0812 (2013.01);
Abstract

A developing device includes: a developing container for accommodating developer, a developer carrying member, and a plate-like elastic member. In a state in which the elastic member contacts the developer carrying member without being deformed, an angle formed between a flat reference surface passing through a surface of the elastic member which is continuous to a contact portion of the elastic member with the developer carrying member and which is downstream of the contact portion with respect to the movement direction and a tangent plane of the developer carrying member and a contact position between the elastic member and the developer carrying member is 10° or more and 45° or less, and the elastic member includes a first region including the contact portion and a second region which is provided continuously from the first region toward the supporting portion and which is lower in rigidity than the first region.

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Kawamoto, Takahiro. (2016). Developing device, process cartridge and image forming apparatus (U.S. Patent No. 9442418). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/9442418

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