DRIVE SYSTEM FOR A MULTIPLICITY OF CABLES FOR THE INSTALLATION OF A SYNCHRONOUS TRANSPORTATION SYSTEM, AND AUTOMATIC CONTROL METHOD FOR SYNCHROUSLY DRIVING SAID CABLES

摘要

Drive device with continuous scrolling in synchronism in the same direction of several parallel cables of at least tractors of a transport installation comprising in operation at least one vehicle coupled in line to said cables at least tractors, characterized in that it comprises separate drive means for each cable independently of the others, separate energy sources supplying each drive means independently of the others means for controlling the drive speed of at least one cable drive means depending on the different cable drive forces correspond to equal running speeds of the cables.