Sheet stacking apparatus having positive control system for trai

Details Sheet stacking apparatus having positive control system for trai Sheet stacking apparatus having positive control system for trai

1988-10-31

1990-02-27

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271220, B65H 2940

Patent

active

049039563

ABSTRACT:
A sheet stacking apparatus for receiving sheets from a printing or copying machine includes guide structure for directing output sheets onto an elevator platform and a selectively rotatable shaft having paddle arms disposed at a 108.degree. interval. The shaft rotation is controlled so that the arms guide a sheet during stacker input and then rotates 360.degree. to positively clear the sheet trail edge from the stacker input path.

REFERENCES:
patent: 2844373 (1958-07-01), Van Marle
patent: 3228273 (1966-01-01), Huffman
patent: 3847388 (1974-11-01), Lynch
patent: 3954259 (1976-05-01), Gerbasi
patent: 3991996 (1976-11-01), Bass
patent: 4056264 (1977-11-01), Dhooge et al.
patent: 4342325 (1982-08-01), Lundblad
patent: 4518157 (1985-05-01), Stobb
patent: 4570922 (1986-02-01), Akers
patent: 4638993 (1987-01-01), Granzow

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