DOLLY FOR A TRANSPORTABLE ADJUSTABLE WIDTH MAST

摘要

A dolly for a mast wherein the dolly includes a frame having a plurality of wheels and a rotating shaft. A pivot shaft allows rotational movement of the suppor t with respect to the frame. At least one lifting jack extends or retracts from the rotatin g support in order to lift or lower the mast. At least one mast adjustable width jack moves the mast between a wide position and a narrow transport position.