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US 2002/0159871 A1Published application
Powered, folding ramp for minivan
AssigneeVantage Mobility International, LLC
InventorsSteven P. Ungetheim, William E. Gest, David H. Eaton JR.
Life of this patent
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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.
Claims6
A minivan adapted for wheelchair access by a folding ramp attached to the minivan, said minivan comprising:
- a drive mechanism coupled to said folding ramp for raising and lowering the ramp;
- wherein said drive mechanism is located beneath the floor of the minivan.
Dependencies are inferred from the claim text.