Patent ID: 7172083
Filing Date: 2007-02-06
Classification: B60P,B66C,Y10S

Abstract:
1. A mobile hoist for lifting, transporting and depositing relatively heavy compact loads, said mobile hoist comprising a substantially “U” shaped base frame comprising a hitch member extending forwardly of said connecting section for releasable engagement with a source of motive or manual power, a foot assembly carried by said hitch member for supporting the front of the mobile hoist when said hitch member is not engaged with or resting on a towing vehicle or other source of support or motive or manual power, said foot assembly comprising a boom support positioned generally centrally on and projecting upwardly from said connecting section, at least a pair of braces positioned on said connecting section at locations spaced from the location of said boom support, said braces extending upwardly from said connecting section for fixed engagement with said boom support proximate its upper distal end to restrain said boom support against undesired movement relative to said base frame, a boom journaled on said boom support proximate its upper distal end for limited pivotal movement thereon in a generally vertical plane, a fluid operated power cylinder having a piston rod journaled on said boom, said rod being selectively extendible and retractable to pivot said boom between its said upper and lower positions, means for selectively actuating said power cylinder to pivot said boom between said lower and upper positions, said actuating means comprising a manually operable control for selectively a load bearing member said parallel side member being provided with means for stabilizing a load against undesired movement relative to the base frame after such load has been lifted and positioned for transportation, said load stabilizing means comprising