Image forming apparatus having a rotatable first developing memb

Details Image forming apparatus having a rotatable first developing memb Image forming apparatus having a rotatable first developing memb

1994-11-28

2000-04-04

Braun, Fred L.

Electrophotography

Internal machine environment

Particle or contaminant control

399223, 399228, G03G 1501, G03G 2100

Patent

active

060471492

ABSTRACT:
An image forming apparatus including a rotatable developing member having a plurality of developing devices for developing an image bearing member at a first developing station, and a second single developing device arranged upstream of the rotatable developing member for developing the image bearing member exclusively at a second developing station different from the first developing station. The second developing device has a cover portion covering the rotatable developing member, and a portion of the cover portion is disposed at a position spaced apart from a rotation axis of the rotatable developing member by a predetermined length in a horizontal direction away from the image bearing member. The rotatable developing member rotates in an opposite direction with respect to the direction of rotation of the image bearing member to prevent toner from scattering toward the optical system.

REFERENCES:
patent: 4669852 (1987-06-01), Tajima et al.
patent: 4766468 (1988-08-01), Hosono et al.
patent: 4780742 (1988-10-01), Takahashi et al.
patent: 4937630 (1990-06-01), Yoshikawa et al.
patent: 4958187 (1990-09-01), Tsuchiya et al.
patent: 5160969 (1992-11-01), Mizuma et al.
patent: 5245387 (1993-09-01), Kubo et al.
patent: 5281504 (1994-01-01), Kanbayashi et al.
patent: 5307147 (1994-04-01), Kumasaka et al.
patent: 5325165 (1994-06-01), Ohgita et al.
patent: 5500738 (1996-03-01), Noguchi

Affiliated with

Also associated with

Rating

Image forming apparatus having a rotatable first developing memb does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Image forming apparatus having a rotatable first developing memb, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Image forming apparatus having a rotatable first developing memb will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-373416