US Patent 7465144 Adjustable winch and pulley system

Provided is a lifting system. The lifting system consists of pulleys mounted to moveable, perpendicular shafts that allow the pulleys to be adjustably positioned in horizontal plane. In this way the pulleys can be properly positioned to lift a variety of loads. The system may be powered either manually or by a motor. Further provided is a lifting system, comprising a track and a lifting carriage movable along said track, said lifting carriage including a pulley, a drive shaft for turning said pulley, a support shaft, and a slide assembly connecting said drive shaft to said support shaft, wherein said slide assembly is movable along said drive shaft and the support shaft.