Elevator car with eccentric load compensation system

Details Elevator car with eccentric load compensation system Elevator car with eccentric load compensation system

2007-07-24

2007-07-24

Salata, Jonathan (Department: 2837)

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes control for power source of drive-means

C187S391000

Reexamination Certificate

active

10745071

ABSTRACT:
A weight compensation system and a method of operating the system for compensating eccentric loading of an elevator car vertically movable in an elevator shaft. The elevator car has spring-mounted rollers engaging guide rails and the system includes sensors detecting a position of the elevator car relative to the guide rails. A control unit is connected to the sensors and a hydraulic compensating system for controlling movement of liquid to compensate for the eccentric loading of the elevator car.

REFERENCES:
patent: 3845842 (1974-11-01), Johnson
patent: 07 215635 (1995-08-01), None
patent: 08 067465 (1996-03-01), None
patent: 08 143234 (1996-06-01), None

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