Steering structure of a walk-substituting cart
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United States of America Patent
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Feb 16, 2010
Grant Date -
Mar 20, 2008
app pub date -
Sep 20, 2006
filing date -
Sep 20, 2006
priority date (Note) -
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status (Latency Note)
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Abstract
A walk-substituting cart has a transverse rod secured to a chassis thereof, first and second sleeves secured on the transverse rod, first and second rotating shafts passed through the sleeves for connection to a handlebar device, a connecting rod, a front wheel on each side, and two transmission rods; the first sleeve is nearer to one side of the chassis while the second sleeve is right behind the middle of the front of the cart; the connecting rod is pivoted to the rotating shafts at two ends for passing on turning motion; each front wheel has a direction changing plate joined thereto, and the transmission rods are pivoted to respective direction changing plates, and pivoted to the second rotating shaft; therefore, the handlebar device can be located either right behind the middle of the front of the cart or nearer to a lateral side of the cart.
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