Adjustable size sensing sheet cassette

Details Adjustable size sensing sheet cassette Adjustable size sensing sheet cassette

1987-04-01

1988-11-22

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Multiple supplies

271 22, 271127, 271171, 271255, B65H 112

Patent

active

047860421

ABSTRACT:
An adjustable sheet cassette for use in apparatus feeding sheets such as in an automatic copier or printer comprises a sheet stack support platform capable of supporting stacks of sheets of a plurality of length and width dimensions, sheet width and length dimension representing members on the cassette, each independently movable to a plurality of positions representing a plurality of sheet width and length dimensions which are automatically positioned to represent the sheet width and sheet length dimensions of the stack of sheets on the platform with their position being detected by detectors on the main apparatus and a controller to determine the length and width dimensions of the copy sheets in the cassette thereby enabling the apparatus to automatically select the correct cassette to supply sheets for a printing operation. In a preferred embodiment a binary code is provided which represents the sheet length and width which is decoded by the controller.

REFERENCES:
patent: 3406964 (1968-10-01), Eichorn
patent: 4032136 (1977-06-01), Komaba et al.
patent: 4174103 (1979-11-01), Back et al.
patent: 4509738 (1985-04-01), Aoki
patent: 4579333 (1986-04-01), Aoki
patent: 4697803 (1987-10-01), Kan

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