1. A VEHICLE ADAPTED TO BE SUPPORTED ON AT LEAST ONE CABLE AND TO MOVE ALONG SAID CABLE COMPRISING A FRAME, AN OPERATOR''S STATION, A SUSPENSION ROLLER AXLE ROTATABLY MOUNTED ON SAID FRAME, AT LEAST ONE SUSPENSION ROLLER FIXEDLY MOUNTED ON SAID SUSPENSION ROLLER AXLE, SAID AT LEAST ONE SUSPENSION ROLLER BEING ADAPTED TO STADDLE AT LEAST ONE CABLE WHEN THE VEHICLE IS IN USE, A GRIPPING ROLLER AXLE OFFSET FROM SAID SUSPENSION ROLLER AXLE AND ROTATABLY MOUNTED ON SAID FRAME, AT LEAST ONE GRIPPING ROLLER FIXEDLY MOUNTED ON SAID GRIPPING ROLLER AXLE, SAID AT LEAST ONE GRIPPING ROLLER BEING ADAPTED TO GRIP THE BOTTOM OF AT LEAST ONE CABLE AND TO PREVENT THE VEHICLE FROM SWAYING, EACH OF SAID SUSPENSION ROLLER AND SAID GRIPPING ROLLER BEING ADAPTED TO ACT ON THE SAME CABLE, A DRIVE FOR ROTATING SAID SUSPENSION ROLLER AXLE AND A BRAKING DEVICE FOR LOCKING THE SUSPENSION ROLLER AXLE AND IMMOBILIZING THE VEHICLE, SAID FRAME HAVING ITS CENTER OF GRAVITY OFFSET FROM SAID SUSPENSION ROLLER AXLE WHEREBY THE VEHICLE ROTATES