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US 5,810,101 AGranted
Horizontal drilling machine
AssigneeEngineering Crossing Systems, (Partnership)
InventorsJohn Caraway, Jr., George McMillan
Life of this patent
Estimating the term…
Abstract
A digger from a unit for digging utility pole holes is encased in an elongated box. The box has an attachment thereon for attachment to the carrying arm of a backhoe in place of the backhoe bucket. A 90.degree. attachment provides versatility. The digger is thus capable of digging horizontal tunnels for laying one underground line under another underground line.
Claims8
A horizontal drilling machine having
- a) a digger which includes
- b) a motor drivingly connected to a rotating mechanism and a kelly-bar rotatable extending through the rotating mechanism;
- wherein the improvement comprises:
- c) a box having a top panel, two side panels, a push end, and a drill end and,
- d) said digger securely mounted in said box with
- e) the kelly-bar parallel to the two side panels and top panel,
- ee) a bit on the kelly-bar which extends through the drill end, and
- f) an attachment box on the top panel,
- g) said attachment box designed and constructed to be attached to a carrying arm of a backhoe with the kelly-bar horizontal.
6 more elements
A horizontal drilling machine having
- a) a digger which includes
- b) a motor drivingly connected to a rotating mechanism and a kelly-bar rotatable extending through the rotating mechanism;
- wherein the improvement comprises:
- c) a box having a top panel, two side panels, a push end, and a drill end and,
- d) said digger securely mounted in said box with
- e) the kelly-bar parallel to the two side panels and top panel,
- ee) a bit on the kelly-bar which extends through the drill end, and
- f) an attachment box on the top panel,
- g) said attachment box forming means for attaching said box to a carrying arm of a backhoe with the kelly-bar horizontal.
6 more elements
Dependencies are inferred from the claim text.