Worm gear mechanism and electric power steering apparatus equipped with the worm gear mechanism
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United States of America Patent
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-
Oct 19, 2010
Grant Date -
Oct 27, 2005
app pub date -
Apr 26, 2005
filing date -
Apr 26, 2004
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
Worm gear mechanism includes a driving worm, a torque delivering worm wheel meshing with the worm, and an auxiliary worm wheel superimposed on the torque delivering worm wheel. The auxiliary worm wheel has a pitch diameter greater than that of the torque delivering worm wheel. The auxiliary worm wheel is biased against the driving worm wheel via a biasing member in the form of a leaf spring.
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Family
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Cited Art Landscape
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