Vibration Damper Having a Rebound Buffer
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United States of America Patent
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Issued Date -
Apr 30, 2009
app pub date -
Sep 25, 2008
filing date -
Sep 25, 2007
priority date (Note) -
Abandoned
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Abstract
A vibration damper for the wheel suspension of a motor vehicle includes a damping tube, a working piston which splits the interior of the damping tube into two working chambers and is attached to a piston rod, a closure assembly which closes an open end of the damping tube and through which the piston rod is guided, and a rebound buffer spring which is disposed between two spring plates. The rebound buffer spring is formed as a helical spring, wherein the ends of the rebound buffer spring are supported on support surfaces of the spring plates. The spring plates comprise support sleeves extending in the longitudinal direction of the vibration damper, and the outer peripheral surfaces of the support sleeves support the rebound buffer spring from the inside in the radial direction when the rebound buffer spring has reached its hard stop. The support sleeves do not touch when the compression coil spring is at its hard stop.
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