Conveyors: power-driven – Conveying apparatus entirely supported by mobile ground... – Dirigible vehicle
Patent
1979-08-30
1981-11-24
Valenza, Joseph E.
Conveyors: power-driven
Conveying apparatus entirely supported by mobile ground...
Dirigible vehicle
198311, 371425, 405179, B65G 4100
Patent
active
043019102
ABSTRACT:
A machine is disclosed to be used in the trenching operation necessary for burying utility facilities such as water, sanitary pipes or gas mains. The machine includes an elongated, boom-like body having a large earth receiving hopper and a conveyor belt for transporting the earth to the rear and discharging it. It is equipped with a power plant in front and, while in operation at a trenching site, a hydraulically powered propulsion unit which pulls the machine along the trench. Its rear end is shaped and elevated such that earth moving equipment can operate beneath it and thus lay pipe, backfill and compact the trench between the ends of the machine using the earth discharged by the machine at its rear end. The rear portion of the machine is equipped with wing-like legs provided with wheels which support the rear of the machine while it is bridged over the trench. For transport from site to site, the propulsion unit is detached and by the same fifth wheel connection the front end of the machine is secured to a conventional truck tractor.
REFERENCES:
patent: 3361248 (1968-01-01), Daymon
patent: 3391776 (1968-07-01), Hancock et al.
patent: 3583168 (1971-06-01), Horton
Kros Konveyors, Inc.
Valenza Joseph E.
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