Excavation device

Details Excavation device Excavation device

2011-04-12

2011-04-12

Pezzuto, Robert E (Department: 3671)

Excavating

Ditcher

Wheel excavator

C037S190000

Reexamination Certificate

active

07921581

ABSTRACT:
A device for excavating and transporting material, especially earth, the device comprising an excavation appliance that can be rotated about a rotational axis (y) in a rotational direction (u), and a longitudinal conveyor for transporting the excavated material. The excavation appliance comprises an impeller having a conically extending guide surface arranged around the rotational axis (y) in a rotationally symmetrical manner, and guide vanes which radially protrude from the conical guide surface and form an acute angle in relation to the rotational axis (y).

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