Drive device
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United States of America Patent
Stats
-
Mar 30, 2004
Grant Date -
Nov 7, 2002
app pub date -
Jun 17, 2002
filing date -
Jun 6, 2000
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A drive device includes an electric drive motor, a housing, at least one shaft which is driven by the drive motor, and a compensating member for compensating the axial clearance of the shaft. A spring ring disk, which can be expanded radially counter to an elastic force and has two stopping surfaces radially extending towards each other on the axis of the shaft in the form of a wedge, is arranged on the shaft as the compensating member. The shaft has a ring-shaped projection which matches one of stopping surfaces and the housing has an annular collar which matches the other stopping surface. The spring ring disc is pre-tensed and arranged in between the projection and the annular collar.
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