Emergency braking and shock absorbing device for a lift or suspended load
AssigneePlumettaz SA
InventorsJean-Pierre Ramseier, Andrzej Wacinski
Life of this patent
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Abstract
The load or the working platform is suspended and displaced by at least a pair of cables whereof the stresses are equivalent. Advantageously, each pair of cables is controlled by an emergency braking device comprising means for detecting the slack strand on one of the cables of the pair and controlling a braking on the other cable of the pair. So as to avoid an impact during the emergency braking, the working platform is also equipped with a shock absorbing device.
Claims16
An emergency braking device capable of acting on a vehicle or on a load pulled or secured by at least two cables, subjected to tensile loads, which are identical under normal operating conditions,
- characterized in that said emergency braking device includes:
- a first device for detecting a slack strand or the lacking of a tensile load in a first cable, which is capable of actuating a first braking means acting only upon a second cable, and
- a second device for detecting a slack strand or the lacking of a tensile load in said second cable, which is capable of actuating a second braking means acting only upon said first cable.
Dependencies are inferred from the claim text.