Electric vehicles
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United States of America Patent
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Sep 4, 2012
Grant Date -
Aug 18, 2011
app pub date -
Oct 25, 2010
filing date -
Feb 17, 2010
priority date (Note) -
Expired
status (Latency Note)
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Abstract
An electric vehicle includes a chassis and a compartment defined by the chassis. A power container houses at least one energy storage/generating device for powering the electric vehicle. The power container is insertable into and removable from the compartment through the left side and the right side of the chassis. A suspension apparatus includes a shaft, a control arm pivotably connected to the shaft, at least one helical torsion spring mounted on the shaft, and a linear actuator. Movement of the linear actuator increases bending stress on the at least one helical torsion spring and urges the control arm downwardly.
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