Dolly for a transportable adjustable width mast

Details Dolly for a transportable adjustable width mast Dolly for a transportable adjustable width mast

B - Operations, Transporting

60

P

B60P 3/40 (2006.01) B60P 3/28 (2006.01) B62D 13/00 (2006.01) B62D 63/06 (2006.01) E21B 15/00 (2006.01)

Patent

CA 2443508

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 support with respect to the frame. At least one lifting jack extends or retracts from the rotating 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.

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