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. 24, 1996
Filed:
Apr. 28, 1994
Yoshinori Sugiura, Kawasaki, JP;
Jun Azuma, Kawasaki, JP;
Nobukazu Adachi, Yokohama, JP;
Takeshi Setoriyama, Toride, JP;
Chitose Tenpaku, Kawasaki, JP;
Noriyoshi Ishikawa, Yokohama, JP;
Tatsuo Hamada, Kawasaki, JP;
Yoshiro Tsuchiya, Yokohama, JP;
Takeshi Kubota, Tama, JP;
Yoshiya Nomura, Tokyo, JP;
Akira Kuroda, Yokohama, JP;
Ken Murooka, Toride, JP;
Takeshi Sugita, Yokohama, JP;
Takeshi Niimura, Musashino, JP;
Akira Yuza, Yokohama, JP;
Canon Kabushiki Kaisha, Tokyo, JP;
Abstract
An image forming apparatus for forming an image on a recording material, to which a process cartridge is detachably mountable, the image forming apparatus including a mounting device for mounting a process cartridge having an image bearing member comprising a helical gear, and a process device actable on the image bearing member; a feeder for feeding the recording material; and projection device for projecting image information light onto the image bearing member in a direction from a projection reference disposed at one side of an axis of the image bearing member to the other side; a positioning reference for positioning the image bearing member in its axial direction; feed guide reference for guiding the recording material fed by the feeder; and wherein the positioning reference, the feed guide reference and the projection reference are disposed in a same side of a main assembly of the image forming apparatus.