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:
Dec. 28, 2010
Filed:
Jan. 28, 2009
Applicants:
Werner Stocker, St. Peter Freien, AT;
Franz Veronik, Stainz, AT;
Andreas Jakope, Ehrenhausen, AT;
Manfred Reinisch, Gr. St. Florian, AT;
Inventors:
Werner Stocker, St. Peter Freien, AT;
Franz Veronik, Stainz, AT;
Andreas Jakope, Ehrenhausen, AT;
Manfred Reinisch, Gr. St. Florian, AT;
Assignee:
EPCOS AG, Munich, DE;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H01L 41/08 (2006.01);
U.S. Cl.
CPC ...
Abstract
A spring element for pretensioning a piezoelectric actuator is specified, wherein the spring element has a tubular body with recesses. The recesses are each made in the form of a polygon with rounded corners. A piezoelectric actuator with such a spring element is also specified.