SUSPENSION CONVERSION METHOD AND APPARATUS
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United States of America Patent
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Issued Date -
Feb 10, 2011
app pub date -
Apr 15, 2010
filing date -
Apr 15, 2009
priority date (Note) -
Abandoned
status (Latency Note)
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Abstract
Methods and apparatus for modifying a vehicle chassis. In one embodiment the modified vehicle is capable of being placed close to the roadway at a position suitable for deployment of a wheel chair ramp that complies with ADA requirements. In yet another embodiment, the vehicle can be raised to a position in which the frame of the vehicle is higher than it was when the ramp was deployed, such that the frame provides crash worthiness to the vehicle relative to side impacts. Yet other embodiments pertain to vehicles that have a plurality of wheels in which the suspension for the wheel is biased by a pneumatic spring. Various embodiments pertain to methods and apparatus for safely interlocking the operation of the pneumatic air springs with the controls of the vehicles.
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