Photocopying – Including fiber optics
Patent
1983-06-20
1984-07-17
Truhe, J. V.
Photocopying
Including fiber optics
222DIG1, 118657, G03B 1500
Patent
active
044602677
ABSTRACT:
A developing device mountable into and demountable from an image formation apparatus, includes a housing provided with an aperture, a shutter assuming a position to close the aperture when the device is mounted in the image formation apparatus, and a position to open the aperture when the device is not mounted in the image formation apparatus.
REFERENCES:
patent: 3985436 (1976-10-01), Tanaka et al.
patent: 4364656 (1982-12-01), Yanagawa
Canon Kabushiki Kaisha
Truhe J. V.
Warren David
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