Electrophotography – Having particular structure – Modular or displaceable
Reexamination Certificate
2008-07-15
2008-07-15
Gleitz, Ryan (Department: 2852)
Electrophotography
Having particular structure
Modular or displaceable
C399S388000
Reexamination Certificate
active
11278156
ABSTRACT:
An image forming apparatus includes an apparatus main body, a photoconductive drum, a transfer roller, a pair of guide supporting brackets, and an urging member. The guide supporting brackets include two paper transportation guides, and the brackets are mounted on both end portions of a drum shaft of the photoconductive drum in a manner capable of being swung about the drum shaft as a center. The paper transportation guides are arranged laterally at a predetermined interval therebetween on the guide supporting brackets. The urging member is provided in the apparatus main body. In a state in which the photoconductive drum is installed in the apparatus main body, swinging ends of the guide supporting brackets are pressed against the transfer roller by the urging member, and the paper transportation guides are positioned at a predetermined position in proximity of an upstream side of the nip portion in a paper transportation direction.
REFERENCES:
patent: 4168902 (1979-09-01), Golz
patent: 05-002346 (1993-01-01), None
patent: 05297649 (1993-11-01), None
patent: 06-317995 (1994-11-01), None
Gleitz Ryan
Keating & Bennett LLP
Murata Machinery Ltd.
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