Emergency stop releasing method for elevator

Details Emergency stop releasing method for elevator Emergency stop releasing method for elevator

1999-09-07

2000-09-19

Salata, Jonathan

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

187288, B66B 140

Patent

active

061198161

ABSTRACT:
An emergency stop state releasing method for an elevator, which includes a cage configured to ascend and descend along a first guide rail in an elevator shaft, a counterweight configured to ascend and descend along a second guide rail in the elevator shaft, a cable for suspending the cage and the counterweight, a drive unit in the elevator shaft for driving the cable to move the cage up and down in the elevator shaft, and an emergency stop mechanism attached to the cage and configured to engage the guide rail, thereby urgently stopping the cage, and to lift the cage, thereby canceling an emergency stop state, including the steps of setting a removable winding device in the elevator shaft, and driving one of the cage and the counterweight by means of the winding device to lift the cage and cancel the emergency stop state.

REFERENCES:
patent: 3469657 (1969-09-01), Sgroi
patent: 3706357 (1972-12-01), Simpson
patent: 4434875 (1984-03-01), Scarzella
patent: 4529066 (1985-07-01), Wiechel
patent: 5202539 (1993-04-01), Lamb
patent: 5693919 (1997-12-01), Sager et al.

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