Hoisting mechanism

B - Operations – Transporting – 66 – D

Patent

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Details

B66D 1/36 (2006.01)

Patent

CA 2393168

The invention relates to a hoisting mechanism comprising a rotatable reel and hoisting cables to be wound onto the reel, the hoisting cables running substantially parallel to one another, and a guide plate having feed-through apertures for the hoisting cables, with at most one hoisting cable running through each feed-through aperture. For each hoisting cable a guide member is provided between the rotatable reel and the guide plate, which guide member is embodied as a spiral spring whose coils abut to one another and whose inside diameter is dimensioned such that the hoisting cable fed through the spiral spring is able to move in the feed direction.

L'invention concerne un mécanisme de levage comprenant un dévidoir rotatif et des câbles de levage à être enroulés sur le dévidoir, les câbles de levage s'étendant essentiellement parallèles les uns par rapport aux autres, et une plaque de guidage ayant des ouvertures d'alimentation pour les câbles de levage, avec au plus un câble de levage traversant chaque ouverture d'alimentation. Pour chaque câble de levage, un élément de guidage est prévu entre le dévidoir rotatif et la plaque de guidage, ledit élément de guidage étant comme un ressort en spirale dont les spires butent les unes contre les autres et dont le diamètre intérieur est dimensionné de telle sorte que le câble de levage alimenté par le ressort en spirale peut se déplacer dans le sens d'alimentation.

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