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:
Mar. 15, 2011
Filed:
Sep. 30, 2009
Chikara Imaizumi, Numazu, JP;
Takeo Kawanami, Mishima, JP;
Tomio Noguchi, Suntoh-gun, JP;
Hiromi Sakurai, Susono, JP;
Chikara Imaizumi, Numazu, JP;
Takeo Kawanami, Mishima, JP;
Tomio Noguchi, Suntoh-gun, JP;
Hiromi Sakurai, Susono, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
A color electrophotographic image forming apparatus usable with process cartridges detachably mountable to a main assembly of the apparatus, the cartridges each including an electrophotographic photosensitive drum and means actable on the drum, includes a movable member which is movable between an inside of the main assembly of the apparatus and an outside of the main assembly of the apparatus in a direction crossing with a longitudinal direction of the drum while carrying the cartridges; a main assembly electrical contact provided inside the main assembly along a movement path of the movable member; and an intermediary electrical contact including a first electrical contact portion which is disposed inside the movable member and which is electrically connectable to a cartridge electrical contact of the cartridge and a second electrical contact portion which is disposed outside the movable member and which is electrically connectable to a main assembly electrical contact provided in the main assembly, wherein a space is provided between the movable member and the main assembly electrical contact to prevent the movable member from contacting to the main assembly electrical contact when the movable member moves from the outside to the inside, and wherein the second electrical contact portion is electrically connected to the main assembly electrical contact when the movable member lowers after the movable member moves linearly from the outside to the inside.