Earth working apparatus
OwnerDuncan Andersoninventor
Life of this patent
Estimating the term…
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.
Claims43
An earth working apparatus for laying a pipe or cable underground, comprising:
- a plurality of trenching modules, each trenching module being arranged on top of one another in a first plane and comprising a cutter in communication with a conveyor, wherein, in use, the speed of the lowermost conveyor is the same as the forward speed of the apparatus and the speed of each remaining conveyor increases progressively towards the surface in proportion to the length of each remaining conveyor.
(canceled)
An earth working apparatus for laying a pipe or cable underground, comprising:
- a plurality of trenching modules, each trenching module arranged in a first plane and comprising a cutter in communication with a conveyor, wherein in use each trenching module cuts a layer of earth and conveys said layer of earth to a collection device or to a collection area.
An earth working apparatus for laying a pipe or cable underground, comprising a plurality of trenching modules, each trenching module being arranged on top of one another in a first plane and comprising a cutter in communication with a conveyor, wherein, each cutter comprises one or more cutting surfaces which are rotatable 360 degrees around a central axis of the cutter.
Dependencies are inferred from the claim text.