Device for limiting rotation of an axle in a leaf spring eye and suspension featuring same
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United States of America Patent
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Jun 5, 2012
Grant Date -
May 27, 2010
app pub date -
Nov 17, 2009
filing date -
Nov 24, 2008
priority date (Note) -
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Abstract
A suspension system suitable for a trailer incorporates a device for limiting rotation of an axle received in an eye of a leaf spring. The leaf spring has a wrapped end defining the eye extending transverse to the leaf spring with a gap left between the leaf spring and the wrapped end thereof. The rotation limiting device is fixed to the axle and features a sleeve having a peripheral wall extending circumferentially about the axle inside the eye of the leaf spring and a tab projecting outward from the peripheral wall of the sleeve and extending in a direction parallel to the axis. The tab projects into the gap left between the leaf spring and the wrapped end thereof to block rotation of the axle and sleeve relative to the wrapped end of the leaf spring. Friction fit, adhesive, welding or multi-piece hardware fixing of the spring is avoided.
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