Vehicle with rhomboid wheel arrangement and rear wheel and side wheel steering
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United States of America Patent
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Jun 30, 2015
Grant Date -
Aug 14, 2014
app pub date -
Feb 13, 2013
filing date -
Feb 13, 2013
priority date (Note) -
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Abstract
Wheeled vehicle, comprising of one front wheel, two side wheels and one rear wheel, configured on a chassis frame in a symmetrical rhombus (diamond) layout. The non-steered front wheel is turned by pedals using human power, similar or exactly in bicycle use design, or with electric motor power. The two parallel side wheels in one axis are perpendicular to the chassis frame, allowing them to swivel in unison for steering the vehicle without elaborate axle pivoting apparatus. The rear wheel is powered by an electric motor, hybrid motor or liquid fuel motor. The rear wheel is attached longitudinally with the center of the chassis frame so that it swivels also in unison for steering with the side wheels.
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