Spring-action suction head

US7014185B2 · kind B2 · utility

Assignee

• Heidelberger Druckmaschinen AG · DE

Inventors

• Michael Östreicher · Karlsruhe, DE
• Jochen Renner · Heidelberg, DE

Key dates

• Filing date: Oct 27, 2003
• Grant date: Mar 21, 2006
• Expiry date: Oct 27, 2023

Classification

• Technology area (CPC B): Performing Operations; Transporting
• CPC primary: B65H2555/11
• WIPO field: Handling
• WIPO sector: Mechanical engineering

Abstract

In a spring-action suction head for separating sheets from a sheet stack, a first suction chamber, which can be subjected to vacuum is provided for lifting the sheet. The first suction chamber is surrounded coaxially by a second suction chamber, which can be subjected to vacuum, for holding and lowering the spring-action suction head in a controlled manner.