Hopper gripper drum
AssigneeHeidelberger Druckmaschinen AG
InventorRichard B. Hawkes
Life of this patent
Estimating the term…
Abstract
A gripper drum device comprising a drum body rotatable about a central axis, an actuating shaft rotatable within the drum body, a box cam follower connected to the actuating shaft for moving the actuating shaft, a gripper seat connected to the actuating shaft, a gripper connected to the actuating shaft, and a box cam, the box cam follower being located within the box cam for following the box cam. Also provided is a method for gripping printed products including the steps of rotating a drum about a central axis, moving a cam follower within a box cam, and gripping a printed product with a gripper attached to the cam follower.
Claims15
A gripper drum device comprising:
- a drum body rotatable about a central axis;
- an actuating shaft rotatable within the drum body;
- a box cam follower connected to the actuating shaft for moving the actuating shaft;
- a gripper seat connected to the actuating shaft;
- a gripper connected to the actuating shaft;
- and
- a box cam, the box cam follower being located within the box cam for following the box cam.
A gripper drum device comprising:
- a drum body rotatable about a central axis;
- an actuating shaft rotatable within the drum body;
- a box cam follower connected to the actuating shaft for moving the actuating shaft;
- a gripper seat connected to the actuating shaft;
- a gripper connected to the actuating shaft;
- a box cam, the box cam follower being located within the box cam for following the box cam;
- and
- a gripper seat link between the gripper seat and the actuating shaft, the gripper seat link having a rotational axis different from the central axis.
A gripper drum device comprising:
- a drum body rotatable about a central axis;
- an actuating shaft rotatable within the drum body;
- a box cam follower connected to the actuating shaft for moving the actuating shaft;
- a gripper seat connected to the actuating shaft;
- a gripper connected to the actuating shaft;
- and
- a box cam, the box cam follower being located within the box cam for following the box cam, wherein the gripper is spring-loaded.
Dependencies are inferred from the claim text.