Patent · US Expired

Drive device with anti-lash mechanism

US6867516B2 · kind B2 · utility

7Cited by

19References

21Claims

0Family size

Assignee

Valeo Motoren und Aktuatoren GmbH · DE

Inventors

Ronald Frey · Bönnigheim, DE
Friedrich-Wilhelm Kaiser · Rutesheim, DE
Johannes Helmich · Ilsfeld, DE
Josef Klar · Löchgau, DE
Werner Baeskow · Hessigheim, DE

Key dates

Filing date	Jul 2, 2001
Grant date	Mar 15, 2005
Priority date	—
Expiry date	Jul 2, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19828
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

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.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.