Mechanical locking differential
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United States of America Patent
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Sep 29, 2020
Grant Date -
Dec 14, 2017
app pub date -
Jun 8, 2017
filing date -
Jun 8, 2016
priority date (Note) -
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Abstract
A mechanical locking differential primarily includes a drive ring and right and left driven rings that can move sideways into and out of engagement with the drive ring. The drive ring and the driven rings have teeth with an inverted trapezoidal shape with a significant clearance, such as a pressure angle of −1° and a clearance of 20% circumferentially. A central ramping separator ring provides a ramping mechanism with inclines that push the driven rings out of engagement with the drive ring when the associated half axle rotates faster than the drive ring, with the ramping action occurring within the teeth clearance.
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