Electrophotography – Having particular structure – Modular or displaceable
Patent
1995-12-15
1997-12-09
Grimley, Arthur T.
Electrophotography
Having particular structure
Modular or displaceable
399 13, G03G 1500
Patent
active
056970234
ABSTRACT:
An electrophotographic device for enabling an electrophotographic process unit to be detachably received in an inner receiving section of an electrophotographic apparatus body. The electrophotographic apparatus body is selected from a plurality of kinds of apparatus bodies differing in their performances including an older type apparatus body and a newer type apparatus body, and the electrophotographic process unit is selected from a plurality of kinds of process units including an older type process unit corresponding to the older type apparatus body and a newer type process unit corresponding to the newer type apparatus body. The electrophotographic device includes a fitting structure integrally provided on at least one of the electrophotographic apparatus body and the electrophotographic process unit. The fitting structure enables the electrophotographic process unit to be received in the inner receiving section of the electrophotographic apparatus body in a predetermined state when the electrophotographic apparatus body is the older type apparatus body and the electrophotographic process unit is one of the older type process unit and the newer type process unit, and when the electrophotographic apparatus body is the newer type apparatus body and the electrophotographic process unit is the newer type process unit. However, the fitting structure prevents the electrophotographic process unit from being received in the inner receiving section of the electrophotographic apparatus body in the predetermined state when the electro-photographic apparatus body is the newer type apparatus body and the electrophotographic process unit is the older type process unit.
REFERENCES:
patent: 4977429 (1990-12-01), Tani et al.
patent: 5107304 (1992-04-01), Haneda et al.
patent: 5223938 (1993-06-01), Mizutani et al.
patent: 5521683 (1996-05-01), Miyamoto et al.
Chen Sophia S.
Grimley Arthur T.
Kabushiki Kaisha TEC
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