Self-balancing multifunctional wheelbarrow
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United States of America Patent
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Dec 22, 2015
Grant Date -
Apr 19, 2012
app pub date -
Jun 11, 2010
filing date -
Jun 16, 2009
priority date (Note) -
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Abstract
A wheelbarrow for carrying materials that includes a container, a pair of handles extending rearwardly from the container to control movement of the wheelbarrow and a pair of legs extending downwardly from the container to contact the ground. The wheel also has a barrel shaped wheel located at a predetermined location near the front end of the container. The wheelbarrow is self-balanced by strategically positioning the barrel-shaped wheel under and a little forward the center of gravity of the wheelbarrow; that is, the contact point of the wheel with the ground is slightly offset forwardly underneath the center of gravity of the wheelbarrow so that lifting, pushing and tilting requires minimal force and allows for superior control and maneuverability. Due to the shape and width of the wheel, during turns, the center of gravity of the wheelbarrows remains vertically, stably and near the point of contact of the wheel with the ground.
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