Patent ID: 7410068

Claim:
A blondin cableway installation, comprising at least one carrying cable extending between the two ends of the installation, a carriage provided with a lifting tackle and supported movably on said carrying cable, a lifting cable for operating said lifting tackle, extending between the two ends of the installation, an outward haulage cable for conveying said carriage along said carrying cable, said outward haulage cable being connected via tackle to said carriage so as to have a pair of outward haulage sections which extend between said carriage and each end of the installation, and a plurality of cradles arranged along said carrying cable and suspended from it in a stationary manner and designed to support said lifting cable and outward haulage cable, each of said cradles comprising, on each side, a pair of support rollers able to receive by means of gravity, alternately, said outward haulage cable or said lifting cable, and a corresponding pair of retaining rollers able to bias said lifting cable and haulage cable against said support rollers, said retaining rollers being supported by a pendulum member hinged with the cradle, wherein said carriage has, formed in it, a longitudinal passage which has a cross-section such as to allow it to be passed through by one of the cradles during the movement of the carriage, and wherein said carriage is provided, on each side of the passage, with a cam member able to raise said retaining rollers upon entry of said passage by the cradle, so as to allow disengagement of said lifting cable and outward haulage cable from said support rollers when the carriage is passed through by the cradle, said cam member acting on a respective tappet member integral with said pendulum member.