CHASSIS FOR AN ELECTRIC VEHICLE
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United States of America Patent
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Issued Date -
Jan 17, 2013
app pub date -
Jul 12, 2011
filing date -
Jul 12, 2011
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
A chassis for an electric vehicle comprises: a base frame, a front frame, a rear frame, two side frames, four suspension devices and four wheels. The front frame and the rear frame have the front arc-shaped tube and the arc-shaped rear tube fixed to the base frame, the arc-shaped tubes can not only reduce the number of tubes required but also increase the area of thrust force as compared to the straight tubes. Besides, the arc of the arc-shaped tubes avoids a connection point of an acute angle, thus preventing stress concentration while improving the structural strength of the chassis. Further, the arc-shaped front tube, the arc-shaped rear tube, the front connecting tube and the rear connecting tube are hollow, which contributes to light weight of the chassis.
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