Self-steering, caster adjustable suspension system
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United States of America Patent
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Dec 28, 1999
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N/A
app pub date -
Mar 31, 1998
filing date -
Mar 31, 1998
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Abstract
A self-steering axle suspension system of the parallelogram type is provided with a tri-pivot cradle mechanism for changing the caster of the axle to provide for either a reverse or forward steerable axle mode while equalizing the forces on the pivots in the parallelogram to reduce pivot wear out.
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