Adjustable suspension fork
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United States of America Patent
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-
Apr 29, 2008
Grant Date -
Dec 28, 2006
app pub date -
Jun 27, 2005
filing date -
Jun 27, 2005
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A suspension front fork includes a lower tube with a closed bottom and an upper tube is movably inserted in the lower tube. Hydraulic oil is filled in the lower tube and has an oil level in the upper tube. A damper assembly is fixedly received in the upper tube and includes a spring and a piston which is biased by the spring and seals a side hole. A control assembly is movably received in the upper tube and includes a damper member which is connected to the adjustment assembly. An adjustment rod extends from the damper member and a lower end of the adjustment rod is movably inserted through the outlet of the damper assembly. A gap is defined between an inner periphery of the outlet and the lower end of the adjustment rod so that a size of the gap can be adjustable by moving the adjustment rod relative to the inner periphery of the outlet to adjust volume of hydraulic oil entering the damper member.
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