Back to results
US 6,213,459 B1Granted
Signature gripper and delivery device
AssigneeHeidelberger Druckmaschinen AG
InventorsKevin Lauren Cote, Paul Emmett Bredenberg
Life of this patent
Estimating the term…
Abstract
A signature gripper having a gripper pad for firmly gripping a signature; a gripper base connected to the gripper pad, the gripper pad being rotatable about the gripper base in a direction of rotation; and a spring acting in the direction of rotation to permit rotation of the gripper pad about the gripper base and connected to at least one of the gripper base and gripper pad. The spring damps deceleration experienced by the signature upon gripping.
Claims6
A signature gripper comprising:
- a gripper pad for firmly gripping a signature, wherein the gripper pad has an axis of rotation and the signature has a normal, and the axis of rotation and the normal are substantially parallel;
- a gripper base connected to the gripper pad, the gripper pad being rotatable about the gripper base in a direction of rotation;
- and
- a spring acting opposite the direction of rotation, the spring having a spring constant which provides a gentle force for damping rotation of gripper pad about the gripper base, the spring connected to at least one of the gripper base and gripper pad so that the gripper head dampens a force generated by a difference between a signature delivery velocity and a velocity of the gripper base.
1 more element
A signature delivery device comprising:
- a gripper conveyance device;
- and
- a plurality of grippers connected to the gripper conveyance device, each gripper including a gripper pad for firmly gripping a signature, a gripper base connected to the gripper pad, the gripper pad being rotatable about the gripper base in a direction of rotation, and a spring acting opposite the direction of rotation for damping rotation of the gripper pad about the gripper base, the spring being connected to at least one of the gripper base and gripper pad, the spring having a spring constant which permits a rotation of the gripper pad about the gripper base to damp rotation, and wherein the gripper pad has an axis of rotation and the signature has a normal, the axis of rotation and the normal being substantially parallel.
Dependencies are inferred from the claim text.