Developing unit, process cartridge and electrophotographic image

Details Developing unit, process cartridge and electrophotographic image Developing unit, process cartridge and electrophotographic image

1998-02-09

2000-08-08

Lee, Susan S. Y.

Electrophotography

Internal machine environment

Particle or contaminant control

399111, G03G 1508

Patent

active

06101348&

ABSTRACT:
A developing unit for developing a latent image formed on an electrophotographic photosensitive member, includes a developing member for developing the latent image formed on the electrophotographic photosensitive member with developer, a developer containing member for containing the developer, a supply opening provided in the developer containing member and adapted to supply the developer contained within the developer containing member to the developing member, a seal member for sealably sealing the supply opening, a grip member connected to the seal member and to be gripped when the supply opening is unsealed, a support portion for supporting the grip member, the grip portion being capable of being separated from the support portion by bending the grip member with respect to the support portion, and first and second abutment portions which can abut against each other when the grip member is bent with respect to the support portion to locally generate great stress along a longitudinal direction of a separation portion at which the grip member is separated from the support portion.

REFERENCES:
patent: 4895104 (1990-01-01), Yoshino et al.
patent: 5229824 (1993-07-01), Tsusaka et al.
patent: 5475470 (1995-12-01), Sasago et al.
patent: 5617579 (1997-04-01), Yashiro et al.
patent: 5623328 (1997-04-01), Tsuda et al.
patent: 5937237 (1999-08-01), Nonaka et al.
patent: 5974288 (1999-10-01), Sato

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