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:
Jul. 11, 1995
Filed:
Oct. 08, 1993
Applicant:
Inventors:
Jurgen Maass, Wiesloch, DE;
Thomas Kurzer, Eppelheim, DE;
Assignee:
Heidelberger Druckmaschinen AG, Heidelberg, DE;
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
B41F / ;
U.S. Cl.
CPC ...
101408 ; 101409 ;
Abstract
Device for measuring contact pressure of a gripper device having a gripper member and a gripper pad in a sheet-fed rotary printing press includes a layer of piezoelectric material, one of the gripper member and the gripper pad being formed of two parts with the layer of piezoelectric material disposed between the two parts, and a device for picking-off a charge from the layer of piezoelectric material which is a measure of contact pressure between the gripper member and the gripper pad of the gripper device.