Portable lifting crane
AssigneeElevall USA, LLC
InventorAgustin Blasco Grau
Life of this patent
Estimating the term…
Abstract
A portable lifting crane that can be easily detached from a point of application for transport or storage and allows loads to be lifted to a considerable height. The portable lifting crane comprises a base, a roller and at least one diverter pulley of a lifting cable that lifts from the roller. The base is constructed and arranged to support a vertical mast, to which a side arm is coupled, the side arm may terminate in a diverter pulley. The arm may be horizontally oriented with respect to the base, characterized in that the base comprises a series of collapsible legs along an articulation with a vertical axis.
Claims12
A lifting crane for lifting materials comprising:
- a base, said base comprising a plurality of legs and being height adjustable by height adjustable feet;
- a mast secured to said base, said mast having an elongated body extending upwardly in a vertical direction from said base and an upper extension member movably engaged with said mast elongated body;
- a later arm attached to said mast, said arm comprising a telescoping second arm member movably engaged with an interior of said lateral arm, a shunt or diverting pulley with an electromechanical limit switch positioned at an end, said later arm oriented horizontally relative to said base
Dependencies are inferred from the claim text.