Patent ID: 6230741
Filing Date: 2001-05-15
Classification: B66C,B66F,E04G,Y10T

Abstract:
In combination:a truck comprising a wheeled frame having rearward and forward ends, and a cab mounted on the forward end of said wheeled frame;a rotatable pedestal assembly mounted on said wheeled frame rearwardly of said cab;a telescopic boom assembly, having inner and outer ends, having its inner end pivotally secured, about a horizontal axis, to said pedestal;a first hydraulic cylinder pivotally connecting said telescopic boom assembly to said pedestal for pivotally moving said telescopic boom assembly with respect to said pedestal;an elongated concrete conduit mounted on said telescopic boom assembly having a discharge end positioned at the outer end of said telescopic boom assembly and having an intake end positioned at said inner end of said telescopic boom assembly;said intake end of said concrete conduit being in communication with a source of concrete under pressure whereby concrete may be pumped through said concrete conduit on said telescopic boom assembly to said discharge end of said first concrete conduit.