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. 15, 2005
Filed:
Jul. 02, 2001
Applicants:
Ronald Frey, Bönnigheim, DE;
Friedrich Kaiser, Mainz-Amoneburg, DE;
Johannes Helmich, Wertheim, DE;
Josef Klar, Löchgau, DE;
Werner Baeskow, Hessigheim, DE;
Inventors:
Ronald Frey, Bönnigheim, DE;
Friedrich Kaiser, Mainz-Amoneburg, DE;
Johannes Helmich, Wertheim, DE;
Josef Klar, Löchgau, DE;
Werner Baeskow, Hessigheim, DE;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02K021/12 ; F16H001/16 ;
U.S. Cl.
CPC ...
Abstract
A drive device includes an electric drive motor, a housing with a housing cover, at least one shaft that is powered by the drive motor and compensating element(s) for compensating the axial play of the shaft. The compensating elements include at least one axially elastic, deformable elastomer element having at least one contact surface. The contact surface(s) has a PTFE, PET or corresponding coating.