Patent ID: 7497423
Filing Date: 2009-03-03
Classification: B60G,F16F

Abstract:
1. A gas spring assembly comprising: an end member; a piston assembly disposed in spaced relation to said end member such that an axis is defined therebetween, said piston assembly including a first piston member and a second piston member slidably interengaging one another and being freely displaceable relative to one another between a collapsed condition and an extended condition, said first piston member including a first proximal end disposed toward said end member and a first distal end spaced from said first proximal end in a direction axially-opposite said end member, said second piston member including a second proximal end disposed toward said end member, a second distal end spaced from said second proximal end in a direction axially-opposite said end member, an outer side wall portion and a flexible wall-engaging portion; and, a flexible wall secured between said end member and said piston assembly and at least partially defining a spring chamber therebetween, said flexible wall secured on said flexible wall-engaging portion of said second piston member; said gas spring assembly operable in a first condition in which: said gas spring assembly operable in a second condition in which: