Apparatus for stacking sheets

Details Apparatus for stacking sheets Apparatus for stacking sheets

1987-11-25

1989-04-25

Schacher, Richard A.

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271197, B65H 2968

Patent

active

048240923

ABSTRACT:
The sailing and floating of the sheets which has occurred uncontrollably at certain speeds is avoided so that an exact stacking is permitted at high speeds. The vacuum conveyor is a vacuum belt conveyor whose vacuum box with circulating vacuum belts extends over the entire stacking location and the brake device. The brake device comprises an upper circulating belt supported by a vacuum chamber whose upper strand reaches up to the stacking location. Thus the sheets during the stacking process are guided precisely and do not float freely.

REFERENCES:
patent: 3178174 (1965-04-01), Schneider
patent: 3476241 (1969-11-01), Ungerer
patent: 3730517 (1973-05-01), Norton
patent: 4030727 (1977-06-01), Jeschke
patent: 4285513 (1981-08-01), Kwasnitza

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