Patent ID: 7503433

Claim:
An elevator comprising: a parallelepiped car having a support frame, an outer car attached within the support frame, an inner car, interior of and suspended from the outer cart, a vertically resilient suspension system resiliently supporting the inner car from a floor of the outer car, the suspension system further comprising one or more resilient members between an underside of the inner car and the floor of the outer car, an actuator on the floor of the outer car, a stabilizer at the underside of the inner car, the stabilizer being actuated by the actuator for stabilizing the inner car, and a sensor for sensing a shock of the inner car wherein the actuator is activated by the sensor for attracting the stabilizer in response to an irregularity of the car; a drive system attached to the outer car, further comprising a drive motor in a predetermined position of the car, a drive wheel at one side of the drive motor, a first brake at an end of the drive motor, a backup battery below the drive motor, a drive sheave assembly including a sheave and a second brake; a counterweight with a pulley above the counterweight; and a plurality of hoist ropes each having a first end connected to a first top position in a traveling path of the car and a second end connected to a second top position in the traveling path of the car by passing the drive wheel, the drive sheave assembly, and the pulley.