Process cartridge, image forming apparatus usable therewith and

Details Process cartridge, image forming apparatus usable therewith and Process cartridge, image forming apparatus usable therewith and

1996-06-20

1997-07-22

Dang, Thu A.

Electrophotography

Having particular structure

Modular or displaceable

222DIG1, 399105, 399262, G03G 1500

Patent

active

056508417

ABSTRACT:
A process cartridge detachably mountable to a main assembly of an image forming apparatus includes a frame; an image bearing member; a developing device; a toner accommodating device for accommodating toner to be supplied to said developing device; opening for supplying to said developing device the toner in said toner accommodating device; a toner seal removably mounted at said opening to close it; a gap in said frame to permit pulling of said toner seal; an elastic sealing member in contact with said toner seal to prevent leakage of the toner through the gap; wherein said toner seal is constructed such that said toner seal is out of contact with an end of said elastic sealing member upon pulling of said toner seal.

REFERENCES:
patent: 4062385 (1977-12-01), Katusha et al.
patent: 4732277 (1988-03-01), Smith
patent: 5027156 (1991-06-01), Kobayashi
patent: 5091750 (1992-02-01), Yoshida et al.
patent: 5136333 (1992-08-01), Craft et al.
patent: 5206619 (1993-04-01), Kita
patent: 5294960 (1994-03-01), Nomura et al.

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