Twist-axle with longitudinally-varying wall thickness
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United States of America Patent
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Jul 23, 2013
Issued Date -
N/A
app pub date -
Oct 15, 2009
filing date -
Oct 17, 2008
priority date (Note) -
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Abstract
The invention relates to a twist-axle that includes a cross-beam member and two trailing arms, each trailing arm rigidly secured to the cross-beam member in one of two connection regions of the cross-beam member or formed integrally with and extending from one of the two connection regions. The cross-beam member is formed from a tubular blank and has a torsionally elastic central portion and two torsionally stiff connection regions. The cross-beam member has a wall thickness that varies longitudinally along the length of the cross-beam member from the torsionally elastic central portion to each of the torsionally stiff connection regions.
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