Appeal 2007-2861
Application 10/861,057
Appellants claim a gripper 10 for a web folding cylinder 5 comprising
a fixed jaw 90, a cam follower arm 35, and a gripper member 15 having a
second end 80 defining a movable jaw 25 for rotatable, operable association
with the fixed jaw 90 (claim 1; fig. 1). Further details regarding the claimed
subject matter are set forth in representative claims 1 and 2 which read as
follows:
1. A gripper for a web folding cylinder comprising:
a fixed jaw on the folding cylinder;
a cam follower arm within and rotatably connected to the folding
cylinder proximal to a first end of the arm and operably connected to a cam
follower at a second end of the arm, the cam follower arm second end being
spring-biased for rotation towards a cam; and
a gripper member within the folding cylinder, the gripper member
having opposed first and second ends and a medial portion between the first
and the second ends rotatably connected to the folding cylinder, the gripper
member first end operably associated with the cam follower arm first end,
and the gripper member second end defining a movable jaw for rotatable,
operable association with the fixed jaw on the folding cylinder, the gripper
member first end being spring-biased for rotation towards the cam follower
arm first end.
2. The gripper of claim 1 wherein the cam follower arm and the
gripper member each define an involute profile.
The reference set forth below is relied upon by the Examiner as
evidence of anticipation and obviousness:
Dufour US 6,322,487 B1 Nov. 27, 2001
2
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