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US 5,758,576 AGranted
Gripper bar for deliveries of printing presses
AssigneeHeidelberger Druckmaschinen AG
InventorsRichard Mack, Martin Mayer, Michael Voge, Norbert Thunker, Roland Hirth, Bernd Maul
Life of this patent
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Abstract
Gripper bar for a delivery of a printing press, the gripper bar being carried at respective ends thereof by transport chains and having a multiplicity of grippers with gripper fingers for transporting sheets includes a hollow profiled member having a boxlike profile wherein a gripper shaft is receivable, the boxlike profiled member being formed with lateral openings through which the gripper fingers of the grippers extend.
Claims6
A gripper bar assembly for a delivery of a printing press, comprising:
- a gripper bar carried at respective ends thereof by transport chains, said gripper bar carrying a multiplicity of grippers with gripper fingers for transporting sheets and having a hollow profiled member with a boxlike profile;
- a gripper shaft received in said hollow profiled member;
- gripper pads disposed on an upper side of the hollow profiled member;
- said hollow profiled member being formed with lateral openings through which the gripper fingers of the grippers extend;
- said hollow profiled member having a thickened wall segment supporting said gripper pads, a relatively thinner wall segment adjacent said thickened wall segment, a further thickened wall segment adjacent said relatively thinner wall segment, and a further relatively thinner wall segment distally from said gripper pads and adjacent said further thickened wall segment.
2 more elements
Dependencies are inferred from the claim text.