Disk stacker with intermittent corrugation assistance for small

Details Disk stacker with intermittent corrugation assistance for small Disk stacker with intermittent corrugation assistance for small

1992-12-28

1993-11-16

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271315, B65H 2900

Patent

active

052616550

ABSTRACT:
An improved sheet stacking apparatus for stacking a wide variety of sheets, especially small sheets, using a rotatable disk stacking unit that receives each sheet in slots defined by fingers on the disks and rotates to invert the sheets. Closely adjacent fixed axis corrugating frictional drive rollers engage the trail edge area of the sheet by the rotation of variable radius disks to larger radius areas thereof which interdigitate with these fixed drive rollers, so that the trail edges of sheets being inverted by the disk contact and are driven by the corrugating rollers. The periphery of the frictional drive rollers is inside of the maximum radius of the disk stacking unit and outside of its minimum radius, so as to be only intermittently interdigitated therewith.

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