Sheet feeding cassette latching system

Details Sheet feeding cassette latching system Sheet feeding cassette latching system

1984-02-01

1985-08-20

Schacher, Richard A.

Sheet feeding or delivering

Feeding

Separators

271157, 271162, B65H 108

Patent

active

045359822

ABSTRACT:
A sheet feeding cassette latching system for latching on to a main body of a copying apparatus and the like a sheet feeding cassette including a sheet support plate for supporting a stack of sheets thereon, and an upper cover capable of being brought to an open position by flipping upwardly a rearward end thereof even when the cassette is in a latched position. When the cassette is in the latched position, the sheet support plate is moved upwardly by a lifter to bring a sheet pickup roller into pressing engagement with the uppermost sheet of the stack of sheets on the sheet support plate to feed one sheet after another to a copying station. The sheet feeding cassette is inserted into and withdrawn from the main body in a tilting position in which a rearward end thereof is located in a higher level than when the cassette is in the latched position. Transmission of power to the lifter from a drive source can be turned on and off in a conjunction with the operation of tilting the cassette and the operation of opening or closing the uppercover when the cassette is latched or unlatched. When power transmission is turned off, the sheet support plate in the sheet feeding position is moved downwardly by gravitational pull.

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