Elevator type paper feeding apparatus

Details Elevator type paper feeding apparatus Elevator type paper feeding apparatus

1981-09-25

1984-08-21

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271155, 271157, B65H 708

Patent

active

044666047

ABSTRACT:
The apparatus includes a vertically movable paper tray that descends to its lowered condition when a copier door is opened for resupply of copy sheets, a switch for detecting the fully raised sheet feeding condition of the tray, and a photosensor for detecting the presence of paper on the tray as the tray is raised toward its fully raised condition. A copier operation enabling signal is generated in response to the position of the door and the photosensor output, with a suitable time delay to prevent copying until the tray has attained its fully raised condition following detection of the presence of paper by the photosensor.

REFERENCES:
patent: 3378254 (1968-04-01), Eichorn
patent: 3768806 (1973-10-01), Reehil

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