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US 2009/0288319 A1Published application
Earth Moving Apparatus and Method
OwnerMichael Plattinventor
Life of this patent
Estimating the term…
Abstract
An excavator has a moving conveyor with vanes that penetrate the earth and section it. A cutter bar follows the vanes, cuts a section of earth loose and directs it to a lifting throat. The lifting throat, in combination with the conveyor and vanes, lifts the excavated earth into a hopper.
Claims20
An excavation apparatus comprising:
- a chassis;
- a plurality of vanes;
- said vanes being mounted on a conveyor, said conveyor having a drive system, said conveyor being mounted on said chassis such that each of said vanes penetrates a surface of ground to be excavated;
- in sequence;
- said vanes being transverse to a direction of travel of said chassis;
- a cutter, said cutter being mounted on said chassis, transverse to said direction of travel and substantially parallel with a plane of the surface of ground and selectively disposed to cut at or below said surface of ground to be excavated;
- and
- a lifting element, said lifting element being disposed to lift excavated material in close cooperation with said conveyor into a receptacle.
5 more elements
Dependencies are inferred from the claim text.