Independent and integrated compact air-bump stops

Details Independent and integrated compact air-bump stops Independent and integrated compact air-bump stops

2006-11-28

2006-11-28

Williams, Thomas (Department: 3683)

Spring devices

Vehicle

Comprising compressible fluid

C267S064250, C267S064260, C267S064280, C267S120000, C267S124000, C188S269000, C188S282100

Reexamination Certificate

active

07140601

ABSTRACT:
A compact air-bump stop (jounceshock) provides improved motor vehicle suspension system accommodation of jounce and rebound than is provided than by a conventional shock absorber, bump cushion and/or air-bump stop. In an independent jounceshock, a primary shell and a secondary shell are reversibly collapsible into each other, and a valved piston demarcates a primary chamber within the primary shell and a secondary chamber within the secondary shell, both of which being filled with a mixture of pressurized gas, preferably nitrogen, and oil. The valving of the valved piston allows for selectively unidirectional, metered movement of the oil therethrough in concert with the direction of movement of the secondary shell with respect to the primary shell. In an integrated jounceshock, a compact air-bump stop is integrated with a shock absorber.

REFERENCES:
patent: 2701714 (1955-02-01), Hardwood, Jr.
patent: 2737301 (1956-03-01), Thornhill
patent: 2856035 (1958-10-01), Rohacs
patent: 2861795 (1958-11-01), Blake
patent: 3115349 (1963-12-01), Lerg
patent: 3164381 (1965-01-01), Tuczek
patent: 3773147 (1973-11-01), Wiebe
patent: 4185719 (1980-01-01), Farris et al.
patent: 6415895 (2002-07-01), Marking et al.

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