Elevator car system with three guide rails

Details Elevator car system with three guide rails Elevator car system with three guide rails

1987-10-20

1988-12-27

Rolla, Joseph J.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

182141, B66B 702

Patent

active

047934417

ABSTRACT:
The elevator car is guided in its movement through the hoistway by the two conventional guide rails positioned one on each side of the car, and also by a third guide rail positioned on one side of the car adjacent one of the car doors. The blade of the third guide rail is parallel to the sides of the car, and is engaged by a pair of guide rolls which are mounted on a beam extending out from under the car floor. The third guide rail is mounted in the hoistway on the bracket beams which secure the counterweight guide rails in place. The purpose of the third guide rail is to prevent lateral oscillation of the car as it moves through the hoistway.

REFERENCES:
patent: 3252547 (1966-05-01), Hornedo
patent: 3856117 (1974-12-01), Solymos

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