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US 10,017,916 B2Granted
Earth working apparatus
OwnerDuncan Andersoninventor
Life of this patent
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Abstract
An earth working apparatus, for laying a pipe or cable underground. The earth working apparatus comprises a plurality of trenching modules. Each trenching module is arranged sequentially in a first plane and comprises a cutter in communication with a conveyor. In a second aspect, each trenching module cuts a layer of earth and conveys said layer of earth to a collection device or to a collection area.
Claims20
An earth working apparatus for laying a pipe or cable underground, comprising:
- a plurality of trenching modules, each trenching module comprising:
- a housing encapsulating a conveyor;
- a motor and drive system fixed to said housing;
- and
- a plurality of rotary road planer cutters partially contained within said housing and in operative communication with said motor through said drive system,
- wherein each said cutter is in communication with a conveyor,
- wherein said plurality of trenching modules are arranged on top of one another in a first plane,
- wherein, each cutter further comprises one or more cutting surfaces which are rotatable 360 degrees around a central axis of the cutter and configured to cut earth when in use,
- wherein each said housing, motor, and drive system, during use, occupies a strata cut by a cutter of an adjacent trenching module, and
- wherein the speed of the cutters relative to the conveyors and vice versa is adjustable.
7 more elements
Dependencies are inferred from the claim text.