Photocopying – Contact printing – Light boxes
Patent
1988-12-02
1990-10-16
Moses, R. L.
Photocopying
Contact printing
Light boxes
355237, 355238, G03G 1500
Patent
active
049639285
ABSTRACT:
An electrophotographic copying apparatus including an optical unit that is installed into and removed from the body of said electrophotographic copying apparatus and an image-forming unit that is installed into and removed from the body of said electrophotographic copying apparatus, said optical unit being engaged with said image-forming unit by means of positioning pins and holes of both said optical means and said image-forming unit, so that the position of said image-forming unit with respect to said optical means can be fixed when said optical means and said image-forming unit are installed into the body of said electrophotographic copying apparatus.
REFERENCES:
patent: 4632536 (1986-12-01), Sonobe et al.
patent: 4653894 (1987-03-01), Pease
Moses R. L.
Sharp Kabushiki Kaisha
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