Device for transporting sheets in straight printing or perfecting operation by way of tongs grippers

US7849794B2 · kind B2 · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventors

• Karl-Heinz Helmstadter · Heidelberg, DE
• Olaf Lorenz · Ludwigshafen, DE
• Sonja Kaufmann · Eppelheim, DE
• Wilhelm Lefken · Dossenheim, DE
• Thomas Schmidt · Heidelberg, DE

Key dates

• Filing date: Mar 8, 2006
• Grant date: Dec 14, 2010
• Expiry date: Nov 22, 2028

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B41F21/106
• WIPO field: Textile and paper machines
• WIPO sector: Mechanical engineering

Abstract

A device for transporting sheets in recto or verso printing operation has tongs grippers each with upper and lower grippers. The upper gripper, or rigid gripper, that forms the gripper pad can be locked directly or indirectly in recto printing operation.