Patent Number: 7,272,342

Title: Image forming apparatus having a detachable cartridge including a photoconductive drum with axis shaft having a minimal rotational eccentricity, and a method of assembling the image forming apparatus

Abstract: An image forming apparatus includes an image forming mechanism and an image bearing member. The image forming mechanism is configured to form an image. The image bearing mechanism is detachably provided to the image forming apparatus. The image bearing mechanism includes an image bearing member configured to bear the image formed by the image forming mechanism, and a through shaft configured to support the image bearing member.

Inventors: Nagashima; Hiroyuki (Kanagawa-ken, JP), Sugihara; Kazuyuki (Kanagawa-ken, JP), Masuda; Katsumi (Tokyo, JP), Kimura; Hideki (Tokyo, JP), Sakai; Kiyotaka (Kanagawa-ken, JP), Sudo; Kazuhisa (Kanagawa-ken, JP), Imamura; Tsuyoshi (Kanagawa-ken, JP)

Assignee: Ricoh Co., Ltd.

International Classification: G03G 15/00 (20060101)

Expiration Date: 2019-09-18 0:00:00