Walk behind trencher for limited depth installations
First Claim
1. An apparatus for installing small wires and cables underground that comprises:
- A. handlebars placed in a manner that allows the operator to safely push and guide said apparatus;
B. a driving mechanism;
C. a hydraulic pump installed so that said driving mechanism'"'"'s motorization causes the oil of the pump to flow;
D. a trenching mechanism;
E. a hydraulic motor installed in said trenching mechanism in such a manner that its speed is controlled separately from the speed of said driving mechanism;
F. a trenching blade that is made from the abrasion-resistant group of metals or some similar material;
that has carbide, or some other type of teeth that are machined, cast, molded, welded or otherwise incorporated into said trenching blade; and
that is connected to said trenching mechanism;
G a wire feeder that is connected to said trenching mechanism in a manner that allows the wire to be fed into the trench after said trenching blade has cut the trench;
H. one or more spool-holders that are connected to said apparatus in a manner that allows the wire, cable, or similar material to flow from its source to said wire feeder and from said wire feeder into the trench;
I. a pivoting device that connects said driving mechanism to said trenching mechanism and allows for the oil from the pump in said driving mechanism to flow to the hydraulic motor in said trenching mechanism;
J. a gauge wheel connected to said apparatus in such a manner that allows for said gauge wheel to adjust the height of said trenching blade and said wire feeder whereby the wire, cable, or similar material can be placed at the bottom of the trench, and easily inserted and/or removed without cutting or damaging the said wire, cable, or similar material; and
whereby said gauge wheel can be dropped into a caster position allowing said trenching blade to be free of the ground while walking to or from the work site;
Whereby said apparatus in claim 1 can vary its driving speed and trenching speed independently, vary its trenching depth and width, and easily negotiate turns.
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Accused Products
Abstract
This invention relates to mechanized drive units and a trenching attachment thereto for installing low-voltage wire, cable or fiber optic media. It is specifically an improved mechanized drive unit and attachment that can vary its driving speed and trenching speed independently, and have an extremely narrow width of cut so as to vastly improve the cutting operation. Additionally, it improves the operation in existing residential or light commercial installations by being small and having an improved turning radius as to better negotiate and maneuver. Lastly, it improves the consistency of wire and cable installation by forcing the installed media to the maximum depth tightly in proximity to the cutting operation itself.
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Citations
13 Claims
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1. An apparatus for installing small wires and cables underground that comprises:
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A. handlebars placed in a manner that allows the operator to safely push and guide said apparatus;
B. a driving mechanism;
C. a hydraulic pump installed so that said driving mechanism'"'"'s motorization causes the oil of the pump to flow;
D. a trenching mechanism;
E. a hydraulic motor installed in said trenching mechanism in such a manner that its speed is controlled separately from the speed of said driving mechanism;
F. a trenching blade that is made from the abrasion-resistant group of metals or some similar material;
that has carbide, or some other type of teeth that are machined, cast, molded, welded or otherwise incorporated into said trenching blade; and
that is connected to said trenching mechanism;
G a wire feeder that is connected to said trenching mechanism in a manner that allows the wire to be fed into the trench after said trenching blade has cut the trench;
H. one or more spool-holders that are connected to said apparatus in a manner that allows the wire, cable, or similar material to flow from its source to said wire feeder and from said wire feeder into the trench;
I. a pivoting device that connects said driving mechanism to said trenching mechanism and allows for the oil from the pump in said driving mechanism to flow to the hydraulic motor in said trenching mechanism;
J. a gauge wheel connected to said apparatus in such a manner that allows for said gauge wheel to adjust the height of said trenching blade and said wire feeder whereby the wire, cable, or similar material can be placed at the bottom of the trench, and easily inserted and/or removed without cutting or damaging the said wire, cable, or similar material; and
whereby said gauge wheel can be dropped into a caster position allowing said trenching blade to be free of the ground while walking to or from the work site;
Whereby said apparatus in claim 1 can vary its driving speed and trenching speed independently, vary its trenching depth and width, and easily negotiate turns. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A unit for installing small wires and cables underground that attaches to an apparatus comprising of:
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A. a trenching mechanism;
B. a hydraulic motor installed in said trenching mechanism in such a manner that its speed is controlled separately from the speed of the driving mechanism;
C. a trenching blade that is made from the abrasion-resistant group of metals or some similar material;
that has carbide, or some other type of teeth that are machined, cast, molded, welded or otherwise incorporated into said trenching blade; and
that is connected to said trenching mechanism;
D a wire feeder that is connected to said trenching mechanism in a manner that allows the wire to be fed into the trench after said trenching blade has cut the trench;
E. one or more spool-holders that are connected to said unit in a manner that allows the wire, cable, or similar material to flow from its source to said wire feeder and from said wire feeder into the trench;
F. a pivoting device that connects said unit to said trenching apparatus;
G. a gauge wheel connected to said unit in such a manner that allows for said gauge wheel to adjust the height of said trenching blade and said wire feeder whereby the wire, cable, or similar material can be placed at the bottom of the trench, and easily inserted and/or removed without cutting or damaging the said wire, cable, or similar material; and
whereby said gauge wheel can be dropped into a caster position allowing said trenching blade to be free of the ground while walking to or from the work site;
Whereby said unit in claim 9 can vary its driving speed and independently from the trenching apparatus'"'"'s speed, vary its trenching depth and width, and easily negotiate turns. - View Dependent Claims (10, 11, 12, 13)
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Specification