Developing unit and image forming apparatus having the same

Details Developing unit and image forming apparatus having the same Developing unit and image forming apparatus having the same

2009-12-01

2011-10-04

Chen, Sophia S (Department: 2852)

Electrophotography

Having particular structure

Modular or displaceable

Reexamination Certificate

active

08032056

ABSTRACT:
Disclosed are a developing unit and an image forming apparatus having the same. The developing unit includes a first frame and a second frame. The first frame supports thereon a first set of processing members and includes at least one jig hole for mounting to a jig. The second frame supports thereon a second set of processing members. Several connection parts provided in the first and second frames allow assembly of the developing unit that includes a rectilinear movement and a rotational movement of the first and second frames relative to each other during the coupling together of the connection parts so as to couple the first and second frames together. The relative movement in certain direction of the frames may be limited during the relative rotational movement of the frames.

REFERENCES:
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patent: 6173140 (2001-01-01), Suzuki et al.
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patent: 7747192 (2010-06-01), Sato
patent: 2002/0106213 (2002-08-01), Higeta et al.
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English language abstract of JP 09-026740, published Jan. 28, 1997.
Machine English language translation of JP 09-026740, published Jan. 28, 1997.
European Search Report issued in EP 09177030.5, mailed Mar. 17, 2010.

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