Chain – staple – and horseshoe making – Horseshoe making – Bending
Patent
1988-10-11
1990-07-31
Jones, David
Chain, staple, and horseshoe making
Horseshoe making
Bending
59 49, 59 50, 59 61, B21K 1502
Patent
active
049441477
DESCRIPTION:
BRIEF SUMMARY
This invention relates to apparatus for forming horse shoes. By tradition, horse shoes have been made individually by blacksmiths with each set comprising front and back pairs of shoes with a left and a right in each pair, and with or without raised heels. However, with the almost total demise of the blacksmith, horse shoes have been made mechanically from blanks which are lengths of straight iron bar: and fullered horse shoe iron bar is generally available for such manufacture. Fullered horse shoe iron bar has in cross-section four sides, that is major top and bottom faces, a front or outer face which is slightly rearwardly angled and a back or inner face which is sloped forwardly from bottom to top. A groove is provided lengthwise of the top face. As an expediency in such mechanical manufacture, it has not heretofore been possible to provide left and right shoes with raised heels, the ends of the shoes simply being feathered, or left for a farrier to form a raised heel prior to fitting shoes to a horse's hooves.
It is an object of the present invention to provide an apparatus capable of manufacturing left and right horse shoes and with or without raised heels.
In accordance with the present invention, apparatus for forming horse shoes comprises a hydraulic press, means to operate said press, a horse shoe former securable to the outer end of the ram or cylinder of the press, the former to engage, in use, with at least one blank of a length of elongate metal to be formed into a horse shoe, an anvil against which the or each blank is deformed into a substantial U-shape by extension of said ram, and means on each side of, and on movement towards, said anvil to cause the outer ends of the or each deformed blank to be bent around said former.
Preferably, the blank is of fullered horse shoe iron bar and the former has at least one plate with an angled periphery over its forming peripheral surface to complementarily engage the sloped face on a respective blank so to locate and correctly position said blank relative thereto and to the anvil.
Preferably also, the former comprises two similar shaped plates each having an angled periphery over their forming peripheral surface, the plates being arranged together in mirror-image fashion to form a V-shape in cross-section between the angled peripheries thereof to engage an inverted V-shape formed by the sloped back faces of two blanks arranged bottom face-to-bottom face, thereby to form in one operation a left and a right hand horse shoe.
Preferably further, the means on each side of the anvil comprises a ram and cylinder, the rams and cylinders being symmetrically arranged about the anvil with the rams at their distal ends adapted to abut the outer ends of the or each deformed blank around the former.
An embodiment of the present invention will now be described, by way of example, with reference to the accompanying diagrammatic drawings, in which:
FIGS. 1, 2 and 3 are respectively front elevations of apparatus for forming horse shoes according to the present invention showing three stages in the formation of a horse shoe;
FIG. 4 is a cross-sectional view on the line IV--IV of FIG. 1;
FIG. 5 is a detailed front view of a former and the top part of an anvil of the apparatus to a larger scale, and showing in broken line both a blank located on the anvil, and a formed horse shoe around a retracted former; and
FIG. 6 is a side elevational view of the view shown in FIG. 5.
Referring to the drawings, apparatus for forming horse shoes comprises a hydraulic press 10 having a ram and cylinder 11 as shown and means to operate said press (not shown). The means to operate said press 10 comprises a hydraulic power pack comprising a hydraulic pump and hydraulic fluid supply reservoir with accompanying connecting hose, the pack operating in a conventional manner. The distal end of the ram is secured to a cross-beam (FIG. 4 ) between two similar on-side rectangular frameworks of the press 10 and a horse shoe former 12 is securable to a mounting at the outer end of the cylinder. The fo
REFERENCES:
patent: 498838 (1893-06-01), Billings
patent: 572870 (1896-12-01), Crow
patent: 953759 (1910-04-01), Pedersen
patent: 1420518 (1922-06-01), Boone et al.
patent: 3400532 (1965-10-01), Smith
patent: 3500679 (1970-03-01), Smith
patent: 3797228 (1974-03-01), Kirkpatrick
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