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. 09, 2010
Filed:
Oct. 23, 2004
Applicants:
Gerhard Kressner, Altenstadt, DE;
Alexander Schroter, Steinbach, DE;
Christian Junk, Eschborn, DE;
Peter Hilfinger, Bad Homburg, DE;
Hansjörg Reick, Steinbach, DE;
Bernhard Kraus, Braunfels, DE;
Uwe Schober, Steinbach, DE;
Inventors:
Gerhard Kressner, Altenstadt, DE;
Alexander Schroter, Steinbach, DE;
Christian Junk, Eschborn, DE;
Peter Hilfinger, Bad Homburg, DE;
Hansjörg Reick, Steinbach, DE;
Bernhard Kraus, Braunfels, DE;
Uwe Schober, Steinbach, DE;
Assignee:
Braun GmbH, Kromberg, DE;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K 33/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
An electric drive unit for generating an oscillating movement, having a stator, a rotor, a torsion element and a tuning element. The tuning element acts upon the torsion element and serves to mechanically tune the resonant frequency of the drive unit.