Sheet conveying device using sheet suction and air forced separa

Details Sheet conveying device using sheet suction and air forced separa Sheet conveying device using sheet suction and air forced separa

1995-01-10

1996-09-17

Brase, Sandra L.

Photocopying

Contact printing

Light boxes

271 307, 271 11, 355308, 355309, G03G 2100

Patent

active

055573878

ABSTRACT:
A sheet conveying device conveys sheets by using a suction conveyor belt having small holes. The lowermost sheet stacked on a sheet table is conveyed while being adsorbed on the conveyer belt. A suction fan sucks the lowermost sheet by way of an air suction port formed in a suction duct and the small holes. Sucked air is introduced into an air nozzle through a guide duct. Air blown off from the air nozzle raises the second sheet from the lowermost sheet and the subsequent sheets, to separate the sheets from the lowermost sheet. The suction duct is provided with an auxiliary suction port for ensuring the amount of air blown off from the air nozzle.

REFERENCES:
patent: 4570918 (1986-02-01), Eisler
patent: 4632377 (1986-12-01), Browse
patent: 5071110 (1991-12-01), Arnone et al.
patent: 5088713 (1992-02-01), Hayashi
patent: 5090676 (1992-02-01), Matsuno et al.
patent: 5152513 (1992-10-01), Ogasawara et al.
patent: 5176373 (1993-01-01), Namba

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