Actuator-gripper control

US6676125B2 · kind B2 · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventors

• Norbert Thunker · Weinheim, DE
• Jurgen Maass · Wiesloch, DE
• Volker Müller · Philippsburg, DE
• Thomas Schaeffer · Mauer, DE

Key dates

• Filing date: Nov 5, 2001
• Grant date: Jan 13, 2004
• Expiry date: Nov 25, 2021

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2405/5812
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

A pre-gripper driving device for a pre-gripper cyclically driven oscillatingly and serving for transporting individual sheets in a sheet-processing machine, includes sheet grippers disposed at a free end of a rocking lever pivotable about a pivot pin fixed to a frame, the sheet grippers being movable relative to a gripper support about a gripper shaft aligned parallel to the pivot pin, for closing and opening the sheet grippers, and an activatable and regulatable drive for producing the movement of the grippers, the drive, on one hand, being connected to the sheet grippers and, on the other hand, being supported on one of the rocking lever and the frame; and a printing unit, a digital printing unit, a rotary printing machine and a multicolor rotary printing machine, respectively including the pre-gripper driving device.