Photocopying – Projection printing and copying cameras – Multicolor picture
Patent
1988-05-24
1992-05-26
Hayes, Monroe H.
Photocopying
Projection printing and copying cameras
Multicolor picture
355 35, 355 38, G03B 2732, G03B 2752
Patent
active
051172534
ABSTRACT:
A color separating device in a color copier includes a predetermined number of filter frames which carry different color filters corresponding to the colors to be separated and which can be moved between a retracted position in which the color filters are retracted from an optical path of an imaging optical system of the copier and an operative position in which the color filters are located in the optical path, the direction of movement being perpendicular to the optical path, guides for guiding the movement of the filter frames, springs for continuously biasing the filter frames toward the retracted position, an endless belt which can be selectively engaged by the filter frames to move the filter frames, and a motor for intermittently rotating the endless belt. The endless belt has driving projections and the filter frames have associated abutments which can be selectively engaged by the driving projections to successively bring the color filters into an operative position against the springs during one rotation of the endless belt.
REFERENCES:
patent: 3002425 (1961-10-01), Biedermann et al.
patent: 3229569 (1966-01-01), Frost et al.
patent: 3892482 (1975-07-01), Weisglass
patent: 4746955 (1988-05-01), Slayton et al.
Asahi Kogaku Kogyo Kabushiki Kaisha
Hayes Monroe H.
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