Appeal 2007-1422
Reexamination Control 90/007,260
Patent 6,093,139
cylinders cooperating with each other in Stab’s folding assembly, the
collection cylinder 1 or the folding cylinder 26, is a “product folding
cylinder” of Applicant’s claims.
Claim 1 then requires “a cutting cylinder cooperating with said
product folding cylinder and having knife assemblies mounted thereon”
(Appendix A to the Br.). Under the broadest reasonable definition of “knife
assemblies,” Sheldon discloses a cutting cylinder 11 “provided with a
moveable knife 14 fast on a knife carrying bar 15, this bar being arranged to
slide in a socket 16 in the cylinder” (Sheldon, p. 2, ll. 68-71). Thus,
Sheldon’s cutting cylinder contains multiple components which are “knife
assemblies.” Additionally, Stab discloses a cutting blade cylinder 2, with
two “diametrically opposed cutting knives or blades,” that works in
conjunction with the collection cylinder (Stab, col. 3, ll. 20-32).
Finally, Claim 1 requires “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” (Appendix A to the Br.). Stab discloses grippers 5
(the seizing elements) located on the collection cylinder 1 (a product folding
7
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