Developing unit and image forming apparatus

Electrophotography – Image formation – Development

Patent

Rate now

  [ 0.00 ] – not rated yet Voters 0   Comments 0

Details

399259, 399260, 399359, G03G 1508

Patent

active

061672270

ABSTRACT:
A developing unit and an image forming apparatus includes drive and control mechanisms for the conveyance of collected toner and fresh toner in an uncomplicated structure and an uncomplicated toner supplying roller structure for the reduction in manufacturing cost. Fresh toner and collected toner stored in housing parts of a toner housing are discharged from an outlet via openings formed in a partitioning member for forwarding to a developing section by a toner supplying roller disposed to confront the outlet. The toner supplying roller is provided in common to fresh toner and collected toner. The toner supplying roller includes a single rotary shaft and a plurality of composite members which are fit into the rotary shaft. Each of the composite members has a cylindrical hollow body and a cylindrical elastic body which is fit onto the outer peripheral surface of the hollow body. The composite members are disposed correspondingly to the housing parts.

REFERENCES:
patent: 5128724 (1992-07-01), Hayashi et al.
patent: 5493382 (1996-02-01), Takagaki et al.

LandOfFree

Say what you really think

Search LandOfFree.com for the USA inventors and patents. Rate them and share your experience with other people.

Rating

Developing unit and image forming apparatus does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Developing unit and image forming apparatus, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Developing unit and image forming apparatus will most certainly appreciate the feedback.

Rate now

     

Profile ID: LFUS-PAI-O-1004594

  Search
All data on this website is collected from public sources. Our data reflects the most accurate information available at the time of publication.