Patent ID: 7650843

Claim:
A rail mounted transportation system comprising a. a rail, and b. a support body, said support body comprising 1. a load bearing platform above the rail and rigidly affixed to a wheel section, 2. within the wheel section, a closest wheel between the rail and the load bearing platform, and 3. a furthest wheel placed at a fixed distance from the closest wheel and separated from the closest wheel by the rail; c. wherein said closest wheel is adapted to operate as a fulcrum with respect to a weight of said load bearing platform on one side thereof, and the furthest wheel to an opposite side thereof; and d. wherein the furthest wheel is adapted to transfer, in response to a weight of the load bearing platform urging the support body to pivot about said fulcrum, an upward force to a lower side of the rail by contact between said furthest wheel and said lower side of the rail.