Extensible end member for gas spring assembly
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United States of America Patent
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Mar 3, 2009
Grant Date -
May 24, 2007
app pub date -
Jan 17, 2007
filing date -
Nov 4, 2004
priority date (Note) -
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Abstract
A piston assembly used in forming a gas spring assembly includes a first piston member and a second piston member telescopically engaging one another and capable of axial displacement relative to one another between collapsed and extended conditions. The first piston member includes a mounting end and the second piston member includes a flexible wall-engaging end. The first and second piston members arranged such that in the collapsed condition the mounting and flexible wall-engaging ends are disposed a first distance from one another and in the extended condition the mounting and flexible wall-engaging ends are disposed at a second distance from one another with the second distance being greater than the first distance. A gas spring assembly and suspension system utilizing such a piston assembly as well as a method are also included.
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