Ground wire insulator post for utility poles
a technology of ground wire and insulator posts, which is applied in the field of utility poles, can solve the problems of lack of durability, difficulty in construction, dangerous conditions for workers and animals, etc., and achieve the effect of fast and easy mounting and resistance to deterioration
Inactive Publication Date: 2005-08-18
KING JR HALM C +1
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Benefits of technology
[0005] Some embodiments of the invention provide numerous technical advantages. Some embodiments may benefit from some, none, or all of these advantages. For example, according to certain embodiments, a ground wire insulator post for utility poles may be mounted quickly and easily by a single installer working alone. The insulator post, which in some embodiments may be adjustable, is extremely resistant to deterioration resulting from exposure to the environment and from damage caused by vandals or wild animals. The insulator post protects at least the portion of the ground wire near the top of the utility pole from the environment, which eliminates the possibility of workers or animals, such as birds, from coming in contact with the ground wire that could cause severe injury or death. In addition, the material that the insulator post is formed from is a deterrent to attraction of lightning strikes, which adds an additional safety feature.
Problems solved by technology
Such wooden support structures have a number of shortcomings, such as lack of durability, difficulty of construction, and dangerous conditions for workers and animals.
The wooden poles and cross-arms are subject to deterioration from exposure to the environment and from internal defects in the materials.
However, the ground wires associated with utility poles still pose problems.
In either case, they are exposed to the environment and may be easily contacted by humans or animals, which may cause severe injury or death resulting from electrocution.
Method used
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Embodiment Construction
[0009]FIG. 1 is a front elevation view and FIG. 2 is a partial side elevation view of a ground wire insulation system 100 for a utility pole 102 in accordance with one embodiment of the present invention. In the illustrated embodiment, utility pole 102 is a wooden support post extending upwardly from a ground surface 103; however, utility pole 102 may be any suitable structure formed from any suitable material that functions to support one or more power transmission lines 106. In the illustrated embodiment, system 100 includes a cross arm 104 coupled to utility pole 102 for supporting power lines 106a, 106b, 106c, a ground wire 108 coupled at an upper end to a neutral line 112 and at a lower end to a ground post 109 embedded in ground surface 103.
[0010] Cross arm 104 may be any suitable structure having any suitable configuration that functions to support power lines 106. In the illustrated embodiment, cross arm 104 is formed from an insulative material and takes the form of the ut...
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According to one embodiment of the invention, a ground wire insulation system for a utility pole includes a utility pole having at least one power line and a neutral line associated therewith, an elongated conduit formed from an insulative material coupled to the utility pole, and a ground wire disposed within the elongated conduit and coupled at an upper end to the neutral line and at a lower end to ground.
Description
TECHNICAL FIELD OF THE INVENTION [0001] The present invention relates generally to utility poles and, more particularly, to a ground wire insulator post for utility poles. BACKGROUND OF THE INVENTION [0002] One of the most common arrangements for supporting power transmission lines includes a plurality of electrical insulators mounted on wooden cross-arms attached to vertical wooden poles so as to provide isolation between the lines and the environment. Such wooden support structures have a number of shortcomings, such as lack of durability, difficulty of construction, and dangerous conditions for workers and animals. The wooden poles and cross-arms are subject to deterioration from exposure to the environment and from internal defects in the materials. [0003] U.S. Pat. Nos. 4,682,747 and 6,027,082 each teach the use of a modular power transmission support structures formed of, in some embodiments, a polyester resin material that addressed at least some of the shortcomings of prior ...
Claims
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IPC IPC(8): H02G7/20
CPCH02G7/205
InventorKING, HALM C. JR.KING, NANCY B.
OwnerKING JR HALM C