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:
Feb. 12, 2008
Filed:
Nov. 05, 2003
Applicants:
Günther Bayer, Nettetal, DE;
Rudolf Erich, Wegberg, DE;
Norbert Quenzel, Schwalmtal, DE;
Inventors:
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Primary Examiner:
Int. Cl.
CPC ...
B31B 49/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A sheet punching and embossing machine includes a device for punching blanks from sheets. The device has a frame and a bearing plate is mountable in the frame. The bearing plate is equipped with punching and grooving knives. Hydraulically activated clamping elements are provided for clamping the bearing plate in the frame. A hydraulic system includes a piston braced by a mechanical spring for building up hydraulic pressure for activating the clamping elements.