Power take-off unit with worm gearset
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United States of America Patent
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May 27, 2008
Grant Date -
May 1, 2003
app pub date -
Dec 11, 2002
filing date -
Oct 15, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A power take-off unit for a transaxle is provided with a unique double enveloping worm/worm gear transmission which has a ratio of the number of gear teeth on the worm gear to the number of threads on the worm which is low. The worm/worm gear transmission is more compact than conventional bevel gear systems which have typically been used in power take-off unit applications. The worm and worm gear transmission of the present invention also is quieter in operation and has a higher torque capacity than standard bevel gears of comparable size.
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