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(11) | EP 1 013 595 A3 |
(12) | EUROPEAN PATENT APPLICATION |
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(54) | Double action emergency braking system for elevators |
(57) Double action emergency braking system for elevators which performs permanent control
of the motion of the elevator, in either of its directions of motion, upwards and
downwards, by incorporating a parachute in each guide rail, installed in a block (1)
which houses both a knurled brake shoe (2) for progressive braking of guide rail (4)
by the pressure applied by a double roller train (5) actuated by double-sloped, upwards
and downwards wedge (6), the braking effort being regulated (8), which catches guide
rail (4) between the brake shoe (2) and one of the rollers (3) of train (5). |