Powered, folding ramp for minivan
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United States of America Patent
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Apr 25, 2006
Grant Date -
Oct 31, 2002
app pub date -
Apr 27, 2001
filing date -
Apr 27, 2001
priority date (Note) -
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Abstract
A drive mechanism under the floor of a minivan is coupled to the folding ramp by a rotating arm linkage, also located beneath the floor. The extension of the folding ramp is partially controlled by dynamic braking, i.e. using the electric motor as a generator and coupling the motor to an electrical load.
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