Elevator provided with emergency escape

Details Elevator provided with emergency escape Elevator provided with emergency escape

1998-12-08

2000-09-12

Olszewski, Robert P.

Elevator, industrial lift truck, or stationary lift for vehicle

Having specific load support drive-means or its control

Includes linking support cable in drive-means

187350, B66B 1108

Patent

active

061163805

ABSTRACT:
An elevator is provided with an emergency escape device consisting of a pull cable capable of bringing about the disengagement of a brake with a transmission shaft of a planetary deceleration motor, so as to actuate an action wheel to displace axially. A worm rod is actuated by an action cable such that the worm rod drives a worm wheel unidirectionally, thereby resulting in the actuation of the action wheel by the transmission wheel. The transmission shaft is so linked that the cable wheel is actuated to cause the elevator cab to ascend or descend slowly to reach a safe level to enable the elevator passengers to escape.

REFERENCES:
patent: 2145656 (1939-01-01), Hymans
patent: 5680911 (1997-10-01), Wang
patent: 5713433 (1998-02-01), Wang
patent: 5890565 (1999-04-01), Wang

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