Lightweight gas spring design with volume compensator incorporated into a suspension fork for two wheeled vehicles
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United States of America Patent
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Feb 28, 2012
Grant Date -
N/A
app pub date -
Apr 13, 2007
filing date -
Apr 13, 2007
priority date (Note) -
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Abstract
A lightweight gas spring with a volume compensator, which is incorporated into a fork leg of a two-wheel vehicle fork. The fork leg includes a housing having an upper inner telescoping hollow rod with a closed top and bottom end which is partially inserted into a lower outer telescoping rod having a closed bottom end. The inner upper telescoping rod inside includes a stationary volume compensator, a reciprocating piston, a first expandable and contractible gas chamber between the volume compensator and the piston which functions as a positive gas spring, and a second expandable and contractible gas chamber between the piston and the bottom end which can function as a negative gas spring, an air bypass channel which is longitudinally positioned on the inner surface of the inner telescoping rod may open to the first and second gas chamber.
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