Spring devices – Vehicle – Comprising compressible fluid
Reexamination Certificate
2005-12-27
2010-10-05
King, Bradley T (Department: 3657)
Spring devices
Vehicle
Comprising compressible fluid
C188S00200R, C188S024220, C188S270000
Reexamination Certificate
active
07806390
ABSTRACT:
A spring system in particular for bicycles includes a gas suspension spring with adjustable progression and a housing element for movably receiving the suspension piston of the gas suspension spring. The gas suspension spring includes a spring volume including a first spring chamber and at least a second spring chamber separated from one another by a partitioning member. The first spring chamber is arranged within the housing element and the second spring chamber extends internal of the housing portion consecutive to the housing element. One single adjustment element allows adjustment of both the damping system and the spring characteristics.
REFERENCES:
patent: 3152665 (1964-10-01), Dickinson et. al.
patent: 4488704 (1984-12-01), Wicker
patent: 4846317 (1989-07-01), Hudgens
patent: 2003/0234144 (2003-12-01), Fox
patent: 2005/0012255 (2005-01-01), Denk
patent: 2005/0252330 (2005-11-01), Denk
patent: 10 252 557 (2002-11-01), None
DT Swiss Inc.
Greer Burns & Crain Ltd.
Hsiao James K
King Bradley T
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