Gas spring suspension system

Details Gas spring suspension system Gas spring suspension system

2008-07-22

2008-07-22

Schwartz, Christopher P (Department: 3683)

Land vehicles

Wheeled

Occupant propelled type

C188S319200

Reexamination Certificate

active

07401800

ABSTRACT:
A gas spring suspension system that maximizes the travel of the suspension system. The suspension system includes a first tube and a second tube slidable within the first tube. A piston assembly is slidably mounted in the second tube for changing the pressure in the second tube. A floating piston is slidably mounted in the second tube. A first gas chamber biases the first and second tubes apart from each other while a second gas chamber biases the first and second tubes toward each other. A third gas chamber exists between the floating piston and an end of the first tube. The floating piston has a configuration such that when a pressure in the third gas chamber is greater than a pressure in the second gas chamber, the floating piston displaces within the second tube to decrease the pressure in the third gas chamber.

REFERENCES:
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patent: 5417446 (1995-05-01), Pileggi
patent: 5580075 (1996-12-01), Turner et al.
patent: 6105988 (2000-08-01), Turner
patent: 6135434 (2000-10-01), Marking
patent: 6505719 (2003-01-01), Gonzalez et al.
patent: 6581948 (2003-06-01), Fox
patent: 6592136 (2003-07-01), Becker et al.

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