Sheet feeding apparatus

Details Sheet feeding apparatus Sheet feeding apparatus

1980-03-24

1982-08-31

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separators

271127, B65H 306, B65H 114

Patent

active

043468780

ABSTRACT:
In sheet feeding apparatus capable of feeding copy sheets individually from a stack of copy sheets held in a sheet feeding cassette to an exposure station of a copying machine, an improved sheet feeding apparatus comprises a cassette, a bottom plate for stacking copy sheets, which is disposed in the cassette, a sheet feeding roller which is disposed above the stack of copy sheets and rotates at the time of sheet feeding, a bottom plate driving mechanism for moving the bottom plate upwards and downwards, bringing the upper surface of sheets into pressure contact with the sheet feeding roller by moving the bottom plate upwards when feeding the copy sheets individually, and moving the bottom plate downwards after each sheet feeding. Furthermore, the sheet feeding apparatus comprises a mechanism for rotating the sheet feeding roller by use of the driving force for moving upwards and downwards the bottom plate.

REFERENCES:
patent: 3265384 (1966-08-01), Shute
patent: 4025066 (1977-05-01), Sue
patent: 4180319 (1979-12-01), Kaufmann et al.

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