US 6,093,139 C1 (6103rd)
FOLDING APPARATUS FOR ROTARY PRINTING PRESSES
Roger R. Belanger, Dover, N.H., assignor to Heidelberger Druckmaschinen AG, Heidelberg, Germany
Reexamination Request No. 90/007,260, Oct. 21, 2004.
Reexamination Certificate for Patent 6,093,139, issued Jul. 25, 2000, Appl. No. 13,930, Jan. 27, 1998.
Int. Cl. B65H 45/16;45/28 (2006.01)
U.S. Cl. 493—353
OG exemplary drawing
AS A RESULT OF REEXAMINATION, IT HAS BEEN DETERMINED THAT:
Claims 1-21 are cancelled.
[1. Product cutting device for flat material comprising:
a pinless product folding cylinder rotating about an axis of rotation and having a surface supporting an incoming material;
a cutting cylinder cooperating with said product folding cylinder and having knife assemblies mounted thereon; and
at least one cyclically engageable product seizing element assigned to at least one of said product folding cylinder and said cutting cylinder, and being moveable opposite to a sense of rotation of said product folding cylinder for engaging a next product's front portion after a cutting operation.]