Boring or penetrating the earth – With above-ground means to feed tool
Reexamination Certificate
2000-07-26
2001-10-09
Pezzuto, Robert E. (Department: 3671)
Boring or penetrating the earth
With above-ground means to feed tool
C405S232000
Reexamination Certificate
active
06298928
ABSTRACT:
DESCRIPTION
1. Technical Field
This invention relates to drilling rigs intended for use in drilling into the ground and particularly to a drill rig configuration and the construction thereof.
2. Background of the Invention
As is well know by those skilled in this technology that the small drill rigs that are utilized for drilling into the ground in depths of 20-100 feet are typically built from component parts that are added to a truck bed or other type of vehicle. This type of drilling rig is generally used in geothechnical investigations, preliminary site investigations, building pad borings, densities and certification, site improvement, roadway and underground utilities, test pits, excavations, pilings, etc. The units generally comprise a boom, a boom support, a sled that moves rectilinear relative to the truck bed, the gasoline engine, the hydraulics (lines and control levers), the auger that is mounted to the boom and controls for rotating the auger at finite speeds and the other components incidental to this technology. The method in which these units are made is by combining these elements in a step-by step fashion until a satisfactory unit is erected. The drill rig typically is made in much the same way that an item is put together by an erector set, namely, each element is added to the assembly until completed. Typically, for example, the gasoline engine is located in the vicinity and the controls therefor are typically located adjacent thereto. The boom is generally attached to a platen that is attached to the main support structure. The problem with these heretofore known drill rig is that they are is expensive and time consuming to erect. And if a sub-assembly is not located probably or is not structurally sufficient, the unit fails or requires undue amount of maintenance.
I have found that I can obviate these problems enumerated above by building the unit in a modular manner so that the sled is formed as an integral unit and the boom support, control system attached to the boom support are all attached to the sled as an integral unit. This assures that the major components are matched and the structural integrity is achieved prior to being attached to the bed of a truck or other moving vehicle. Moreover, the entire can be removed from the truck bed to free-up the truck so that it can be used for other purposes when the drill rig is not being used.
SUMMARY OF THE INVENTION
An object of this invention is to provide a drill rig that is made in modular sections that can be mounted on the bed of a light truck or other type of vehicle and can easily be removed therefrom.
A feature of this invention is that the boom support is made as an integral unit with the sled of the drill rig and is an integral unit that supports the boom that serves to facilitate the mounting and removal of the boom and the auger for ease of assembly and maintenance thereof.
A still further feature of this invention is the drill rig is configured to include all of the controls for operating the piston engine and power units of the drill rig and is judiciously mounted on one of the faces of the boom support structure.
Another feature of this invention is that its weight is relatively light, its size is relatively compact and it is inexpensive to fabricate and assemble.
The foregoing and other features of the present invention will become more apparent from the following description and accompanying drawings.
REFERENCES:
patent: 5236054 (1993-08-01), Jack et al.
patent: 5273124 (1993-12-01), Lloyd et al.
patent: 5733068 (1998-03-01), Reinert, Sr.
patent: 5746277 (1998-05-01), Howell, Jr.
patent: 5944452 (1999-08-01), Reinert, Sr.
Friedland Norman
Pezzuto Robert E.
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