Patent ID: 7255201

Claim:
A lifting frame, comprising: a stationary vertical mast and at least one telescoping lifting mast; a lifting carriage that can be moved up and down on the lifting mast; an accessory hydraulic system fastened to the lifting carriage; at least one hydraulic line that discharges at the lifting carriage, which hydraulic line is installed on the lifting frame and forms a loop that is open toward the top; and a pulley carrier comprising at least one tensioning pulley, wherein the pulley carrier is movable up and down on the lifting frame, wherein at least one hydraulic line is guided in the vicinity of the loop over the tensioning pulley that dips from above into the loop such that a bias force is exerted on the hydraulic line, and wherein the pulley carrier is mounted so that it can move up and down by means of guide rollers on cylinder tubes of lifting cylinders that are located on opposite sides of the lifting mast.