Electrophotography – Having particular structure
Patent
1998-09-09
2000-10-10
Chen, Sophia S.
Electrophotography
Having particular structure
527891, 527931, 108 5726, G03G 1500
Patent
active
061310050
ABSTRACT:
A structure member includes a first plate member formed from a thin metal plate and having a plurality of frusto-pyramid projections arranged in a staggered fashion, and a second plate member formed from a thin metal plate and having a plurality of frusto-pyramid projections having dimensions different from those of the projections of the first plate member and arranged in a staggered fashion. The first and second plate members are overlapped in such a manner that tip ends of the frusto-pyramid projections of the plate members are opposed to each other but are not overlapped with each other, and overlapped and contacted portions are joined together to form a single plate body.
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patent: 4247839 (1981-01-01), Takizawa
patent: 5390467 (1995-02-01), Shuert
patent: 5612117 (1997-03-01), Belanger et al.
patent: 5635306 (1997-06-01), Minamida et al.
Canon Kabushiki Kaisha
Chen Sophia S.
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