Vibration damper having a buffer spring
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United States of America Patent
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Feb 16, 2010
Grant Date -
Jan 11, 2007
app pub date -
Jun 19, 2006
filing date -
Jul 8, 2005
priority date (Note) -
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status (Latency Note)
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Abstract
A vibration damper is disclosed which includes a damper tube filled with a damping medium; a piston rod which can move in an oscillating and reciprocal manner in the damper tube and one end of which protrudes into the damper tube and which comprises at this end a piston rod extension and a shoulder. A piston divides the interior of the damper tube into a working chamber remote from the piston rod and a piston rod-side working chamber and which is disposed coaxially with respect to the piston rod extension and comprises restrictor openings and at least one spring washer covering these restrictor openings in each working chamber. A buffer spring is disposed in the piston rod-sideworking chamber.
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