Image forming apparatus

Details Image forming apparatus Image forming apparatus

2008-07-18

2010-10-26

Ngo, Hoang (Department: 2852)

Electrophotography

Image formation

Photoconductive member

C399S111000

Reexamination Certificate

active

07822364

ABSTRACT:
An image forming apparatus includes an apparatus main-body and a process cartridge. A female connector is arranged on a developing roller shaft in the process cartridge. The female connector has an open-ended ring-like space formed between an outer ring and an inner ring. A plurality of track grooves are arranged on the circumference of at least one of the outer ring and the inner ring. One end of a cartridge driving shaft is supported in the apparatus main-body, while the other end thereof facing the process cartridge is movable in a radial direction. A male connector is arranged on the movable end of the cartridge driving shaft. A front portion of the male connector is a cylindrical spherical-body holding portion that rotatably holds a plurality of spherical bodies. When the spherical-body holding portion enters into the ring-like space, the spherical bodies slide along the track grooves.

REFERENCES:
patent: 7366443 (2008-04-01), Ohashi et al.
patent: 2004-045603 (2004-02-01), None
patent: 2005-017758 (2005-01-01), None
patent: 2006-048014 (2006-02-01), None
patent: 2006-072160 (2006-03-01), None
patent: 2006-106681 (2006-04-01), None
patent: 2007-286575 (2007-11-01), None

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