Elevator apparatus provided with guiding device used for prevent

Details Elevator apparatus provided with guiding device used for prevent Elevator apparatus provided with guiding device used for prevent

1990-08-29

1992-02-11

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Stationary lift for roadway vehicle or required component...

Having specific drive means for support

187 1R, 187115, B66B 704

Patent

active

050868829

ABSTRACT:
An elevator apparatus provided with a guiding device for guiding a passenger cage without vibration with respect to the guide rails. Sensors are provided so that a pressure applied to the guiding device from the guide rails is maintained constant, and an actuator is driven by an output of the sensor. The sensor may be a pressure sensor and, as the output of the sensor increases, the distance between the guide rail and the passenger cage is controlled in a manner so as to be decreased. The guiding device immediately follows the bend of the guide rail and an unbalanced load of the passenger cage so that transversal vibration of the passenger cage is considerably reduced.

REFERENCES:
patent: 1854976 (1932-04-01), Brady
patent: 1899751 (1933-02-01), Dunlop
patent: 1936780 (1933-11-01), Arnold et al.
patent: 2100169 (1937-11-01), Norton
patent: 2277565 (1942-03-01), Spiro
patent: 2309123 (1943-01-01), Kiesling
patent: 3554327 (1971-01-01), Takamura et al.
patent: 4047597 (1977-09-01), Okura et al.
patent: 4660682 (1987-04-01), Luinstra et al.
patent: 4750590 (1988-06-01), Otala

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