Manually powered vehicle having improved steering
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United States of America Patent
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-
Mar 27, 2007
Issued Date -
N/A
app pub date -
Jul 2, 2004
filing date -
Mar 20, 2002
priority date (Note) -
In Force
status (Latency Note)
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Abstract
A manually powered rowing vehicle is provided. A chain is wrapped around a portion of first and second free-wheel wheel sprockets, which can spin freely in one direction but not the other. The first free-wheel drive sprocket drives a rear wheel. The second free-wheel drive sprocket connects to one end of a lever arm, which pivotally connects to a frame. When the rider pulls the other end of the lever arm towards their body, the first free-wheel drive sprocket grabs the chain and pulls the chain forward. The chain in turn pulls the second free-wheel drive sprocket, which rotates the rear wheel forward. When the rider pushes the lever arm away from their body, the first free-wheel drive sprocket spins freely to allow the lever arm to return to the pull position without moving the linked chain or the vehicle. Various embodiments for steering the vehicle are also described.
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