Patent ID: 7270217

Claim:
An exterior fire resistant passenger elevator system for rescuing fire victims who become trapped inside of a burning building, which building has a substantially horizontal top, a substantially vertical side and an inside, comprising: a trolley machine car disposed on, and adapted to travel on, a circular rail track system mounted on the top of the building, the trolley machine car carrying a right rotary pulley wheel device and a left rotary pulley wheel device; a elevator normally disposed exterior of the building and adjacent the substantially vertical side of the building; a plurality of power transmission lines running between a source of electric power and the trolley machine car and the right and left pulley wheel devices; a first cable riding on, and extendable from and retractable to, the right pulley wheel device; a second cable riding on, and extendable from and retractable to, the left pulley wheel device; the first and the second cable each separately connected to the elevator for lifting and maneuvering the elevator for rescuing fire victims who become trapped on the inside of the building.