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Rapid transit system

  • US 4,036,147 A
  • Filed: 06/23/1976
  • Issued: 07/19/1977
  • Est. Priority Date: 03/28/1975
  • Status: Expired due to Term
First Claim
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1. A transit system comprising:

  • an elongated structure mounted at an elevation above the ground and including a pair of spaced parallel electrically energized rails electrically insulated from one another;

    a trolley positioned on said structure for movement along the rails and including a first wheel engaging one of the rails and a second wheel insulated from the first wheel and engaging the other of said rails;

    an electrically energized aircraft of the helicopter type; and

    a retractable electric cable extending from the trolley to the aircraft and electrically connected to the first and second wheels to supply electric power to the motors of the aircraft and constituting the sole coupling between the elongated structure and the aircraft, in which the rails are positioned one above the other, in which the first and second wheels respectively engage the under surfaces of the rails, and in which the trolley includes a third wheel which engages the upper surface of the upper rail.

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