Farriery – Shoes – Auxiliary tread plate
Patent
1986-11-19
1988-07-19
Peshock, Robert
Farriery
Shoes
Auxiliary tread plate
A01L 104
Patent
active
047578645
DESCRIPTION:
BRIEF SUMMARY
The invention relates to a horseshoe comprising an upper part having a bottom intended for abutting the hoof of a horse, said bottom being provided along the major part of its inner and outer edges with upright walls, rows of nail holes being provided in the bottom, and further comprising an outsole, which is removably connectable with the upper part.
A horseshoe of this kind is known from an international patent application, viz. No. PCT/DK83/00053, published on Nov. 24, 1983 under the international publication No. WO 83/03949.
According to this prior art the upper part consists of a channel member of horseshoe configuration. This serves for dirtectly receiving the outsole, its sidewalls being provided with inwardly directed projections adapted to engage a matching protrusion on the outsole. Moreover, the outsole may be held in connection with the said upper part by means of nails which have been driven partly through the nail holes of the upper part so that the nail heads extend into the channel section and can engage with recesses formed in the outsole.
In this known construction, the nails, when being driven in, are solely guided by nail holes in the bottom of the upper part facing the hoof.
The horseshoe according to the present invention is characterized in that the upper part is constructed, at least along the nail hole rows of the bottom, as a box girder, a plate portion with an additional nail hole row being provided at a distance above each of the nail hole rows of the bottom. Hereby the advantage is obtained that the nails, while being driven in, are guided in a reliable manner, viz. both by the nail holes in the bottom and by the nail holes in the plate portion, being located at a distance from the former. Moreover, by virtue of the box girder construction, a great stiffness of the shoe is obtained, at least in the region of the nail holes, and also a great twisting stiffness, whereby it becomes possible to deform the upper part for individual adaptation to the hoof on which the shoe is to be mounted.
In a preferred embodiment of the invention the nail holes of the plate portions may be offset relatively to the holes in the bottom in accordance with the desired driving-in direction of the nails. The fact is that the nails that are driven in closest to the front end of the shoe, should be inclined relatively strongly inwards towards the middle of the hoof, because the front side of the hoof is inclined relatively strongly downwards and forwards relatively to the underside of the hoof. On the contrary, the sides of the hoof extend more steeply relatively to the underside of the hoof, and these different inclinations may thus be taken care of by the offsetting of the nail holes in the plate portions relatively to the corresponding holes in the bottom.
According to the invention, the nail holes in the plate portions may be cut out along three of their sides to form lugs, and these may be bent down towards the bottom and may be secured thereto by welding or soldering, whereby the stiffness of the box girders considered is further increased. A still further means of increasing the stiffness of the box girders consists, according to the invention, in filling these with a moulded plastics material. The solution of the injected plastics material has the function, besides acting as a nail guide, to ensure a firm holding of the nail without sharp edges, so that shock vibrations do not give rise to deformations of the nail.
To ensure a firm holding of the plate portions arranged above the rows of holes of the bottom, said plate portions may, according to the invention, be constructed at the inner sides of their rows of holes with downwardly offset areas which are welded or soldered to the bottom.
A further embodiment of the horseshoe according to the invention is characterized in that the plate portions in which the additional rows of holes are provided are portions of an inner part, which is mounted in an outer part, the bottom of which constitutes the said bottom of the upper part and is provided with up
REFERENCES:
patent: 599958 (1898-03-01), Dietrich
patent: 601038 (1898-03-01), Gravis
patent: 644284 (1900-02-01), De Lay
patent: 644329 (1900-02-01), Meisner
patent: 749299 (1904-01-01), Jones
patent: 805410 (1905-11-01), Carey
patent: 869838 (1907-10-01), Green
patent: 1518372 (1924-12-01), Twiss
Juncker nee Persson Hildur
Kaplan Blum
Peshock Robert
Stone Cary E.
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