Corrugation venturi paper feeder

Details Corrugation venturi paper feeder Corrugation venturi paper feeder

1980-10-03

1982-12-21

Stoner, Jr., Bruce H.

Sheet feeding or delivering

Feeding

Separator and conveyor

271 97, 271112, 271120, 271188, B65H 314, B65H 306

Patent

active

043645500

ABSTRACT:
An apparatus for feeding individual substrates from the top of a stack upon demand includes an air nozzle that directs air along the bottom surface of an airfoil located above the front end of the stack. The combined effect of air pressure from the nozzle and the shape of the airfoil serves to lift the leading edge of the top sheet in the stack above a restraining member. A paddle wheel drives the separated sheet away from the stack.

REFERENCES:
patent: 2843377 (1958-07-01), Battersby
patent: 3158367 (1964-11-01), Tarbuck
patent: 3219340 (1965-11-01), Hori et al.
patent: 3220605 (1965-11-01), Casey
patent: 3547431 (1970-12-01), Wagner
patent: 3614089 (1971-10-01), Van Auken et al.
patent: 3624807 (1971-11-01), Schwebel
patent: 3630516 (1971-12-01), Hong
patent: 3891163 (1975-06-01), Wilkerson et al.
patent: 4043549 (1977-08-01), Rinehart
patent: 4066254 (1978-01-01), Stange et al.
patent: 4168831 (1979-09-01), Rebel et al.

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