Developing apparatus

Details Developing apparatus Developing apparatus

1993-12-22

1994-11-29

Smith, Matthew S.

Photocopying

Contact printing

Light boxes

355245, 355260, G03G 1506, G03G 1508

Patent

active

053694783

ABSTRACT:
A developing apparatus includes a rotatable developer carrying member for carrying one component developer to a developing zone for developing an electrostatic latent image for an image bearing member; a regulating member for regulating a thickness of a layer of the developer to be carried by the developer carrying member to the developing zone; a rotatable developer, in contact with the developer carrying member, for supplying the developer; a developer guiding portion for guiding reverse movement of the developer blocked by the regulating member; wherein 0.02.ltoreq.d/Vs.ltoreq.0.1 is satisfied, where d is a minimum distance between the developer guiding portion and the developer feeding member (mm), and Vs is a peripheral speed of the developer feeding member (mm)/sec.

REFERENCES:
patent: 5032852 (1991-07-01), Fujii et al.
patent: 5170213 (1992-12-01), Yamaguchi et al.
patent: 5177537 (1993-01-01), Okano et al.
patent: 5183964 (1993-02-01), Stelter et al.
patent: 5202729 (1993-04-01), Miyamoto et al.
patent: 5307127 (1994-04-01), Kobayashi et al.

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