Extensible end member for gas spring assembly

F - Mech Eng,Light,Heat,Weapons – 16 – F

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Details

F16F 9/05 (2006.01) B60G 11/28 (2006.01)

Patent

CA 2675152

A piston assembly (104, 204) used in forming a gas spring assembly (102, 202) includes a first piston member (146, 206) and a second piston member (148, 208) 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 (152, 212) and the second piston member includes a flexible wall-engaging end (170, 230). 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 (102, 202) and suspension system (100) utilizing such a piston assembly as well as a method are also included.

Un ensemble de piston (104, 204) utilisé pour former un ensemble de ressort à gaz (102, 202) comprend un premier élément de piston (146, 206) et un second élément de piston (148, 208) venant en prise de manière télescopique l'un avec l'autre et étant capables de se déplacer axialement l'un par rapport à l'autre entre des états comprimé et étendu. Le premier élément de piston comprend une extrémité de montage (152, 212) et le second élément de piston comprend une extrémité flexible venant en contact avec la paroi (170, 230). Les premier et second éléments de piston sont agencés de telle sorte qu'à l'état comprimé, l'extrémité de montage et l'extrémité flexible venant en contact avec la paroi soient disposées à une première distance l'une de l'autre, et qu'à l'état étendu l'extrémité de montage et l'extrémité flexible venant en contact avec la paroi soient disposées à une seconde distance l'une de l'autre, la seconde distance étant supérieure à la première distance. L'invention concerne également un ensemble de ressort à gaz (102, 202) et un système de suspension (100) utilisant un tel ensemble de piston, ainsi qu'un procédé.

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