Arthur J Gawlinski

US Patent:

57304360, Mar 24, 1998

Filed:

Dec 8, 1995

Appl. No.:

8/569281

Inventors:

Hans Joachim Viebach - New Lenox IL
Ronald W. Hastie - Elk Grove Village IL
Arthur J. Gawlinski - Munster IN
Kenneth E. Kruse - Redondo Beach CA

Assignee:

R. R. Donnelley & Sons Company - Chicago IL

International Classification:

B65H 3900

US Classification:

270 5216

Abstract:

A signature conveyor system with automatic phase adjustment capability includes a conveyor for conveying a plurality of sheets in a conveyance direction wherein the conveyor is subdivided into a plurality of conveyor spaces and a motor for causing the conveyor to move at a speed in the conveyance direction. Packer boxes are spaced along the conveyor and each packer box periodically releases one of the sheets above the conveyor at a release time as the conveyor moves past the packer box. A phase changer is operatively coupled between the conveyor and the packer boxes and adjusts the release time based upon the speed of the conveyor.