Title:
画像形成装置
Document Type and Number:
Japanese Patent JP4718945
Kind Code:
B2
Abstract:
An image forming apparatus includes: a photosensitive member; a plurality of development devices attachable to and detachable from a main body of the image forming apparatus, a motor; and a drive transmission member. Each development device includes a development roller for forming a toner image on a surface of the photosensitive member. The motor is rotatable forward and backward, for driving the development roller. The drive transmission member is disposed between the motor and the development roller. The drive transmission member includes a plurality of gears, a plurality of shafts and a plurality of one-way clutches. An air gap is provided in at least one engagement portion where the gears engage with the shafts.
Inventors:
Hirofumi Ogushi
Masahiko Saito
Kenji Nakamura
Atsushi Onose
Masahiko Saito
Kenji Nakamura
Atsushi Onose
Application Number:
JP2005270077A
Publication Date:
July 06, 2011
Filing Date:
September 16, 2005
Export Citation:
Assignee:
株式会社リコー
International Classes:
G03G15/01; G03G15/00; G03G15/08
Domestic Patent References:
| JP2004279934A | ||||
| JP11015275A | ||||
| JP11315891A | ||||
| JP7257776A | ||||
| JP2006251269A | ||||
| JP2005274965A |