Photocopying – Contact printing – Light boxes
Patent
1992-03-10
1995-03-14
Grimley, A. T.
Photocopying
Contact printing
Light boxes
355 72, 271127, 271160, G03G 2100
Patent
active
053981081
ABSTRACT:
A sheet supplying apparatus having sheet container for stacking and supporting sheets, and sheet supplying device for feeding out the sheet contained in the sheet container by applying a feeding force to the sheet. Sheet container includes a shiftable intermediate plate on which the sheets are stacked and a plurality of pressurizing members for biasing the intermediate plate toward the sheet supplying device to urge the sheets stacked on the intermediate plate against the sheet supplying device, and each of the pressurizing members being selected in response to the used amount of the sheets stacked on the intermediate plate to apply a biasing force to the intermediate plate.
REFERENCES:
patent: 5002266 (1991-03-01), Kikuchi et al.
patent: 5019839 (1991-05-01), Watanabe et al.
patent: 5020788 (1991-06-01), Hatano et al.
Morinaga Kazuyuki
Sootome Sumitoshi
Tomura Hisayuki
Canon Kabushiki Kaisha
Grimley A. T.
Lee Shuk Y.
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