The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Mar. 21, 2006
Filed:
Oct. 27, 2003
Applicants:
Michael Östreicher, Karlsruhe, DE;
Jochen Renner, Edingen-Neckarhausen, DE;
Inventors:
Michael Östreicher, Karlsruhe, DE;
Jochen Renner, Edingen-Neckarhausen, DE;
Assignee:
Heidelberger Druckmaschinen Aktiengesellschaft, Heidelberg, DE;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B65H 3/08 (2006.01);
U.S. Cl.
CPC ...
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.