Vacuum corrugation feeder having an air knife with an elastomeri

Details Vacuum corrugation feeder having an air knife with an elastomeri Vacuum corrugation feeder having an air knife with an elastomeri

1987-12-10

1991-12-10

Skaggs, H. Grant

Sheet feeding or delivering

Feeding

Separators

271 11, 271 99, B65H 334

Patent

active

050711105

ABSTRACT:
Apparatus for feeding sheets from a stack of sheets on a sheet stack supporting tray which includes a sheet transport for feeding sheets from the tray. An air knife is disposed adjacent the front wall of the tray to inject air between the sheet to be separated and the remainder of the stack. The air knife includes at least one elastomeric member attached to its front wall that extends to a point immediately above, below or touching the sheet transport in order to inhibit multifeeding of sheets from the tray.

REFERENCES:
patent: 3258262 (1966-06-01), Rehm
patent: 4418905 (1983-12-01), Garavuso
patent: 4627605 (1986-12-01), Roller
patent: 4662625 (1987-05-01), Hoyer

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