SLIP YOKE WITH INTERNAL SPLINES HAVING PERMANENT COATING AND RELATED METHOD
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United States of America Patent
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N/A
Issued Date -
Aug 27, 2009
app pub date -
Feb 25, 2008
filing date -
Feb 25, 2008
priority date (Note) -
Abandoned
status (Latency Note)
Importance
Abstract
A propeller shaft assembly operable to transmit torque between drive wheels and an engine of a vehicle generally includes a first cylindrical tube having a first end and a second end. A first cap is fixedly coupled to the first end. A first yoke is fixedly coupled to the first cap. Internal splines are formed within the second end of the first cylindrical tube. The internal splines define a final internal spline profile established by a permanent polyamide coating fixedly coupled to a metal substrate in the form of an oversized internal spline. The final internal spline profile defines a first layer having a first thickness made of the permanent polyamide coating and a second layer having a second thickness made of the metal substrate. The internal splines are operable to transmit the torque when external splines engage the internal splines by only contacting the first layer made of the permanent polyamide coating.
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