Device for the evacuation of elevator passengers

B - Operations – Transporting – 66 – B

Patent

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Details

B66B 5/02 (2006.01) B66B 1/34 (2006.01) B66B 3/00 (2006.01)

Patent

CA 2345282

An elevator drive (1.1) with traction sheave (1.2) over which ropes (1.3) are passed moves an elevator car (2) and a counterweight (2.1) up and down in an elevator hoistway (1). An elevator control (4.1) arranged in a control cabinet (4) on a landing (E2) is connected with an elevator control (1.4) and with the elevator car (2), and controls how the elevator car (2) moves. Arranged in a control cabinet (4) is also a handle (4.2) which is part of a Bowden cable (4.3), the Bowden cable (4.3) acting on a brake (4.4) of the elevator drive (1.1). There is a handle (4.2) with which the brake (4.4) can be released manually. With the brake (4.4) released, the elevator car (2) moves up or down depending on the difference in weight between the elevator car (2) and counterweight (2.1). For the elevator control (4) the position of the elevator car (2) in the elevator hoistway (1) is of significance. A tensioned toothed belt (10) spanning the height of the hoistway is in contact with an encoder (11) which detects the absolute position of the elevator car (2). For evacuation, a signal device is provided which allows evacuation without looking into the elevator hoistway (1).

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