Photocopying – Contact printing – Light boxes
Patent
1989-11-21
1992-10-13
Pendegrass, Joan H.
Photocopying
Contact printing
Light boxes
271 9, G03G 1500, B65H 126
Patent
active
051555379
ABSTRACT:
The present invention provides a sheet feeding apparatus comprising: a first sheet accommodating means shiftable in a predetermined position from a sheet supply position for supplying a sheet, a first sheet supply means for feeding out the sheet from the first sheet accommodating means positioned in the sheet supply position, a feeding means for feeding the sheet fed out by the first sheet supply means, a second sheet accommodating means for accommodating sheets, a second sheet supply means for feeding out the sheet from the second sheet accommodating means, a guide means movable between a first position intersecting a moving path of the first sheet accommodating means and where guiding the sheet fed out by the second sheet supply means to the feeding means and a second position where not guiding the sheet, a detecting means for detecting the passage of the sheet through the guide means and for emitting a detection signal, and an inhibiting means for inhibiting the movement of the first sheet accommodating means in response to the detection signal from the detecting means.
REFERENCES:
patent: 4605215 (1986-08-01), Hyltoft
patent: 4941002 (1990-07-01), Maruyama et al.
patent: 4958822 (1990-09-01), Rutishauser et al.
patent: 4966356 (1990-10-01), Ohyaba et al.
Hayakawa Yasuyoshi
Isobe Hironobu
Komatsu Teruo
Kubota Atsushi
Canon Kabushiki Kaisha
Pendegrass Joan H.
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