Patent ID: 7398958
Filing Date: 2008-07-15
Classification: B61B

Abstract:
1. A mixed sheave assembly for support and compression of an aerial carrying-hauling rope of a ski lift, comprising at least one sheave assembly module composed of an upper sheave assembly with compression sheaves, a lower sheave assembly with support sheaves, and flexible means acting on the sheave assemblies when the sheaves are moved apart when a grip passes, wherein each module comprises: two compression sheaves and two support sheaves respectively mounted rotating freely on the ends of two pairs of holding arms articulated on one another by a first upper joint pin and a second lower joint pin, the two holding arms of the compression sheaves being arranged in a V shape, and the holding arms of the support sheaves being positioned in a reverse V shape, a first damping element inserted between two bearing edges fixedly secured to the two holding arms of the compression sheaves, a second damping element inserted between two bearing edges of the two holding arms of the support sheaves, and a frame connecting the first and second joint pins, said frame being arranged so as to be connected to the end of a beam with a swivel-pin.