Patent ID: 6220292
Filing Date: 2001-04-24
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 means pivotally connecting said telescopic boom assembly to said pedestal for pivotally moving said telescopic boom assembly with respect to said pedestal;an elongated first 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;a rotatable hose reel positioned at the inner end of said boom assembly;a flexible concrete hose wound upon said hose reel and having an intake end and a discharge end;said discharge end of said flexible concrete hose being in communication with said intake end of said first concrete conduit;said intake end of said flexible concrete hose being in communication with a source of concrete under pressure whereby concrete may be pumped through said flexible concrete hose, through said first concrete conduit on said telescopic boom assembly to said discharge end of said first concrete conduit;said hose reel permitting said flexible hose to unwind therefrom as said telescopic boom assembly is extended;said hose reel winding said flexible hose thereon as said telescopic boom assembly is retracted.