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 9002234 B1

PDF
Full Text
Expired
Date of Patent:
Apr. 07, 2015

Filed:

Jan. 02, 2013
Applicant:

Canon Kabushiki Kaisha, Tokyo, JP;

Inventor:

Jun Shirayanagi, Ushiku, JP;

Assignee:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G03G 21/16 (2006.01); G03G 15/00 (2006.01); G03G 21/18 (2006.01);
U.S. Cl.
CPC ...
G03G 21/1839 (2013.01); G03G 21/1814 (2013.01); G03G 21/1828 (2013.01);
Abstract

In a process cartridge detachably mountable to a main assembly of the apparatus and including a photosensitive member and a charging roller, a spacer member for spacing the charging roller from the photosensitive member during the transportation and the displaying is recessed relative to the photosensitive member. The spacer member receives a driving force from the main assembly of the apparatus, by which the spacer member is disengaged to contact the charging roller to the photosensitive member.


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