Dual-function bicycle seat post assembly
Number of patents in Portfolio can not be more than 2000
United States of America Patent
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N/A
Issued Date -
Dec 25, 2008
app pub date -
Jun 19, 2007
filing date -
Jun 19, 2007
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A bicycle seat post assembly includes an outer tube with an inner tube movably inserted thereto, the top end of the inner tube is connected with a seat. The inner tube has a passage defined longitudinally therethrough and a valve is connected to the lower end of the inner tube. A connection member is connected to the lower end of the outer tube and a seal member or an output tube is selectably connected to the connection member. The seal member seals the lower end of the outer tube to form a interior space in the outer tube filled with pressurized air when the bicycle seat assembly is a shock absorbing seat post assembly. The output tube is connected to the connection member to communicate with the longitudinal passage of the outer tube when the seat post assembly is used as a tire pump by reciprocating the inner tube.
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