Patent ID: 7370769
Filing Date: 2008-05-13
Classification: B60P,B66C

Abstract:
1. A hoist for retrieving, lifting and positioning a load, said hoist comprising a boom support column having an attaching lower end and a boom support upper end, said boom support upper end having a boom assembly connecting means and a transverse support surface, a boom support assembly having a connecting support wall and a lower projecting connector for rotational connection with said connecting means with said connecting support wall in registry with said transverse support surface, a boom pivotally secured to said connecting support wall, biasing means for maintaining said boom at an upward angular position, releasable locking means to lock said boom at said upward angular position, boom actuating brake means to arrest rotational displacement between said connecting support wall and said transverse support surface when said boom is at a substantially horizontal load retrieving position, a pulley rotatably secured to an axle secured at a free end of said boom, said pulley being adapted to guide a cable thereon, cable guide means to align and maintain said cable on said pulley, said axle being connected to a lateral pivot support.