Apparatus for buffering the transport of documents

Details Apparatus for buffering the transport of documents Apparatus for buffering the transport of documents

1996-12-19

1998-10-06

Skaggs, H. Grant

Sheet feeding or delivering

Delivering

With transfer means between conveyor and receiver

271184, 198663, B65H 2942

Patent

active

058165703

ABSTRACT:
The apparatus of this invention is a buffering device for the transport of documents that comprises four variable pitch screws that have a tapered outside diameter and a tapered root diameter at the input portion of the screw. A upstream screw and a downstream screw are on the left hand side of the buffering device and a upstream screw and a downstream screw are on the right hand side of the buffering device. The upstream screw has its largest outside diameter on the top of the screw and its smallest outside diameter on the bottom of the screw. The downstream screw has its largest outside diameter on the bottom of the screw and its smallest outside diameter on the top of the screw. The screws on the left hand side of the buffering device have a left handed screw thread and the screws on the right side of the buffering device have a right handed screw thread, or visa versa.

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