|Publication number||US958127 A|
|Publication date||May 17, 1910|
|Filing date||Nov 4, 1909|
|Priority date||Nov 4, 1909|
|Publication number||US 958127 A, US 958127A, US-A-958127, US958127 A, US958127A|
|Inventors||Knut T Hovrud|
|Original Assignee||Knut T Hovrud|
|Export Citation||BiBTeX, EndNote, RefMan|
|Referenced by (40), Classifications (1)|
|External Links: USPTO, USPTO Assignment, Espacenet|
K. T, HOVRUD.
APPLIOATION FILED NOV. 4, 1909.
Patented May-17, i910.
KNU'r"r.\HovnUD, or BUTLER, sourit DAKOTA.
Specification of Letters Patent.
yrammen tray it, raro.
Application tiledt'ovember i909. Serial No. 526,268.
To all whom it 'may concern:
vlie it known that l KNUT T. Hovnuo, a citizen of the United States, residing at Butler, in the county\of Day and State of South Dakota, have invented certain new and useful Improvements in Pole-Anchors; and I do declare the following to be a full, clear, and exact description of the invention, such as will enable others skilled in the art to which it appertains tomake and use the same. l
This invention relates, to improvements 1n pole or post anchors.
One object of the invention is to provide an anchor of this character having means whereby the same may be readily driven and securely fastened in the ground.
Another object is to provide a device of this character which will be simple, strong, durable and inexpensive in construction, being reliable in operation and well adapted to the purpose for which it is designed.
l With these and other objects in view, the invention consists of certainnovel features of construction, combination and arrangement-of parts, as will be more fully de scribed and particularly pointed out in' the appended claims. A
In the accompanying drawings, Figurel is a diagrammatic sectional view showing the manner in which the anchor is used; Fig. 2 is a vert-ical sectional view of the anchor arranged for driving in the ground; Fig.' 3 is a similar view of the anchor after being driven and ready to be secured in the ground; Fig-4 is a similar view after the device has beendriven and before the driving sleeve is removed; Fig. 5 is a detail perspective view of the driving point of the anchor; Fig. 6 is a horizontal sectional view of the same; Fig. 7 is a perspective view of the fastening rod of the anchor.
In the embodiment of the invention I illustrate a driving point 1 is provided having a solid body portion on the upper end of which is formed a reduced exteriorly threaded tubular extension 2, said reduced eX'ten sion forming an annular shoulder 3, on the upper end of the body portion of the point. In the upper portion of the point immediately below the annular shoulder 3 are formed a series of openings 4, which cornmunicate at their upper ends with the tubular extension 2. The lower walls of the openings 4 'are substantially V- shaped and are inclined downwardly and outwardly from the center of the tubular extension to `the outer surface of the solid portion of the point. The upwardly inclined V-shape of the lower walls of the openin 4 come together in the lower portion of t e tubular extension 2 and form a series of wedge-shaped surfaces, the purpose of which will be hereinafter described.
Adapted to be screwed into engagement with the tubular threaded extension 2 of the point is a driving sleeve or tube 5 which may be of any suitable length depending upon the depth at which it is desired to plant the anchor'. With the upper end of the driving tube 5 is adapted to be detachably engaged a driving head or anvil, having a reduced extension 7 which is adapted to be inserted into the upper end of Vthe tube or sleeve 5 and the annular shoulder 6 formed at the base ofthe extension 7 at its junction with the head 6 rests on the upper edge of the sleeve when applied. (bee Fig. 2.) By providing the head or anvil 6 the tube 5 and driving point l may be driven into the ground to the desired distance without marring or bending the upper end `of the tube.
After, the driving point l and the sleeve 5 have been driven to the. desired depth, a fastening rod 8 is inserted into the sleeve or tube 5, the lower end of the rod 8 being Vslotted or divided by rectangularly formed cuts into four prongs l9, said prongs being substantially triangular in shape. The lower ends of the prongs-have their inner walls beveled or inclined outwardly and downwardly to form V-shaped or tapering spaces between the points as shown in Fig. 7. When the rod is inserted in the tube or sleeve 5, the beveled or inclined points of the prongs 9 will engage the V-shaped inclined walls of the openings 4 in the point and the wedge-shaped upper edges of the openings will enter the tapered space between the points of the prongs so that when the rod 8 is driven from its upper end, the prongs will be forced through the opening 4 and spread or curved downwardly from the outer sides of the point l. The prongs 9 when thus forced downwardly through the openings 4 enter the ground in four directions, thus securely anchoring or fastening the point in the ground. See Figs. l and 4.
The rod 8 is constructed of greater length than the tube or sleeve 5 and projects a considerable distance above the upper end of the same to permit the rod to be driven.
After the rod 8 has been driven and the prongs 9 expanded in the manner described,.
the tube or sleeve 5 is unscrewed from the reduced threaded end 2 of the point 1 and removed from the ground, thus leaving the point and thefastening rod in securely fastened or anchored position. When the point 1 and rod 8 have thus been secured in the ground, a guy or brace rod, or wire 10 is se-` cured'to the projecting u per end of the rod 8, said rod being prefera ly provided with a transversely disposed aperture 11 to receive the end of said rod or wire 10; The opposite end of the rod or wire is secured to a pole or post 12, which is thus securely anchored.
From the foregoing description, taken in connection with uthe accompanying drawings, the construction and operation of the invention will be readily understood withn out requiring a more extended explanation.
Various changes in 'the form, proportion and the minor details of construction may be resorted to without departing from the principle or sacrificing any of the advantages of this invention as defined in the appended claims.
I claim as my invention:
1.l In an anchoring device a driving point having therein a serles of openin s provided with downwardl and outward y inclined lower walls, a tu ular extension on the upper end of said point communicating with the openings formed therein, means to prevent the marring or bending of the upper end of. the driving tube when the-latter is being driven, a fastenin member adapted to be inserted through sai tube or sleeve and comprising a` solid body having a series of expansible integral prongs formed on the lower end thereof and adapted to enter the openings in said point and to be spread from or expanded by the inclined lower walls ofv 'rod adapted to be inserted in said driving sleeve, said rod having formed in its lower end rectangularly disposed notches, a series of expansible prongs formed by the lower end of the rod, said prongs having the lower walls of their outer ends inclined downwardly and outwardl to facilitate the engagement thereof wlth the V-shaped inclined lower walls of the `openings in said driving point whereby when said rod is driven downwardly, said prongs will enterI and pass out through the openin in the point and will be spread or expan ed later-A ally in opposite directions from the point, means whereby a guy rod or wire is secured to the upper end of said fastening rod.
In testimony whereof ll have hereunto set my hand in presence of two subscribing witnesses.
` KNUT T. HOVRUD. Witnesses:
CHAs. STICKNEY, BLANCHE SAGIN.
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