WO2002067673A1 - Snow-rejecting attachment for horseshoes - Google Patents

Abstract

The invention relates to a snow-rejecting attachment intended for horseshoes, which is in the form of a plate (15), which at one end has two projecting, flat fingers (16) that are articulatedly connected to the plate and laterally turntable in relation thereto, to be able to be connected to spikes on individual horseshoes independently of varying distance between the spikes. According to the invention, the attachment plate (15) is manufactured from a material suitable for casting, such as plastic, the individual finger (16) being placed at a front end of the plate and consisting of a thin piece of sheet metal which is connected to the plate via a hinge which is formed by casting plate material in a rear hole in the finger.

Description

SNOW-REJECTING ATTACHMENT FOR HORSESHOES

Technical Field of the Invention

This invention relates to a snow-rejecting attachment for horseshoes including a plate, which at one end has two projecting, flat fingers, which are laterally turnable- in relation to the plate to be able to be connected to spikes on an individual horseshoe independently of varying distance between the spikes. Horseshoes of the kind in question are substantially

U-shaped and include two sidelegs, which extend rearwards from a common front portion. The spikes may, per se, be permanently attached on the shoes, e.g. by welding, but they are usually dismountable. In the last-mentioned case, a suitable number of threaded holes are formed in the shoe, the spikes being formed with a head, as well as a threaded shaft which may be screwed into a selected hole in the shoe. Such horseshoes may, per se, include different number of spike holes, but generally, at least two holes are formed in the front portion in connection with which there usually also is a so-called toe cap.

When horses move on grounds covered by snow and ice, a problem is that the snow sticks into the interior of the hooves while forming growing snow lumps. When a snow lump in the individual hoof has grown so large that the same protrudes under the shoe attached on the hoof, a plurality of negative phenomena arise. One of these is that the supporting function of the plane horseshoe at tramping down is lost because the putting down of the hoof is done via the snow lump. In this way, the horse looses the body balancing ability thereof to a considerable extent. The horse simply becomes unsure irrespective of the move is carried out at pace, walking-pace, trot or gallop. Furthermore, the gripping ability of the spikes is deteriorated, at which the horse easily slips on the ground; something which may lead to accidents and damage, e.g. in joints and ligament.

Prior Art

Within the blacksmith art, many attempts have previously been .made to manage the above-mentioned problems. Thus, in EP 0278204, DE 3909243 and US 3952807 snow-rejecting attachments for shoed hooves are described. However, it is common for said attachments that the same are fastened between the hoof and the shoe. This means that fastening and removal, respec- tively, of the attachments become intricate and may only be made by those skilled in the blacksmith art. Therefore, horse owners without knowledge of blacksmith cannot use such attachments in the day-to-day handling of the horse. Furthermore, the attachments give the shoes a tendency to come loose too fast from the hooves. Another disadvantage is that the attachments are worn out in a short time, and thereby causing large costs.

Furthermore, in EP 0280656 an attachment that is mountable on a horseshoe by means of spikes of the initially mentioned type is described. This attachment consists of a U- shaped rubber tube, inside which a likewise U-shaped, stiff holding clamp of metal is arranged that at rear free ends has loops, which may be fixed by the heads of two rear spikes. A disadvantage of this attachment, which moreover also is inherent in the attachments according to the above-mentioned patent publications, is that the attachment only joins to the interior of the horseshoe, i.e. the attachment is largely open and do not cover the free space between the two sidelegs of the horseshoe. Another disadvantage of the attachment according to EP 0280656 is that the same has to be manufactured in different embodiments in order to suit horseshoes having different dimensions. Furthermore, the attachment requires a front tongue that is put in between the hoof and the shoe in order to carry the front part of the attachment.

By DE 210 290, a snow-rejecting horseshoe attachment of the initially kind generally mentioned is previously known. However, in this case, the attachment plate consists of a steel plate, to which the two turnable fingers are connected via a pin as well as a bolt. In addition, the fingers are intended to be screwed on the rear part of the horseshoe, while the front end of the attachment plate is connected to the front part of the horseshoe via a nose fastened on the top side of the plate that should engage between the top side of the horseshoe and the hoof. A disadvantage of this attachment is that the same becomes heavy and clumsy, in addition to which the manufacture becomes complicated and expensive, above all as a consequence of the attachment being put together by a plurality of different components.

Objects and Features of the Invention

The present invention aims at obviating the above- mentioned disadvantages of previously known horseshoe attachments and at providing an improved attachment. Therefore, a primary object of the invention is to provide a horseshoe attachment that has a low weight and is simple and inexpensive to manufacture. Furthermore, the attachment should be capable of rejecting snow and in an efficient way be mounted and dismounted in a simple and smooth way on shoes having different spike patterns, also by such persons who are not skilled in the blacksmith art. An additional object is to create a horseshoe attachment, which may be series produced in a single basic design and then individually be adjusted to differently large horseshoes by the individual buyer/horse owner.

According to the invention, at least the primary object is attained by the features defined in the characterizing clause of claim 1. Preferred embodiments of the horseshoe attachment according to the invention are furthermore defined in the dependent claims .

Brief Description of the Appended Drawings In the drawings: Fig 1 is a perspective view showing the attachment according to the invention regarded from a bottom side, Fig 2 is a perspective view of the same attachment regarded from the top side,

Fig 3 is a partly cut side view showing the attachment in connection with a schematically illustrated hoof together with a shoe thereon, the attachment being spaced-apart from the shoe, Fig 4 is a side view corresponding to fig 3 showing the attachment mounted on the shoe, Fig 5 is a detailed view showing a portion of the attachment together with a fastening finger included therein, Fig 6 is a planar view of only the fastening finger according to fig 5, Fig 7 is a planar view from below of a blank for forming an attachment according to the invention, Fig 8 is a planar view showing the blank according to fig 7 provisionally applied on a horseshoe, Fig 9 is an additional planar view from below showing a completed attachment according to the invention, and Fig 10 is a planar view showing a surplus portion, which has been removed, from the blank according to figs 7 and 8 in order to form the attachment according to fig 9.

Detailed Description of a Preferred Embodiment of the Invention In figs 1 and 2, a snow-rejecting attachment accord- ing to the invention is visualised. Before this is described more in detail, reference is made to figs 3, 4, 8 and 9, in which a horseshoe 1 is shown. In a conventional way, this shoe is substantially U-shaped and includes two curved sidelegs 2, which extend rearwards from a front portion 3. The shoe is fas- tenable on the hoof of the horse by means of horseshoe-nails

(not shown) which are tightened in quadrangular holes 4 in the shoe. In the shown shoe, which is intended for winter use, four threaded holes 5 for equally many spikes 6 are furthermore formed. In fig 3 is shown how the individual spike 6 includes a shaft 7 formed with a male thread, which may be screwed into the hole 5, as well as a head 8, which advantageously has an acute shape. The top side of the shoe is designated 9, while the bottom side is designated 10. Furthermore, in fig 3 is shown how a toe cap 11 protrudes from the top side of the front, central portion 3 of the shoe.

In figs 3 and 4, the shoe is illustrated together with a schematically shown hoof 12. At 13, a ball is schematically outlined, the height or level of which above the shoe varies individually between different horses. ^'

Reference is now made to figs 1 and 2 that in perspective show an attachment according to the invention in its entirety designated 14. The main part of said attachment consists of a plate 15, which at a front end has two projecting,

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two halves, which easier come loose from the inner edges of the shoe.

On the top side of the plate, a cross-section-wise wedge-shaped bead 27 is formed that is shorter than the ridge 26.

According to a preferred embodiment of the invention, the snow-rejecting attachment is designed in the form of a blank, the width of which is greater than the inner width of the largest horseshoe in a given horseshoe assortment. Thus, in figs 7 and 8 is seen how the attachment plate 15 at least in the rear part thereof has a greater width than the width of the horseshoe 1, such as this is calculated between the inner edges 28 of the sidelegs 2. The plastic being used in the attachment plate is advantageously transparent and has a smooth or flush surface at least on the bottom side. As a consequence of the plastic being transparent, the inner contour of the horseshoe is drawn on the bottom side of the plate, e.g. with a lead pencil. Thus, a lead line is shown at 29 in fig 7. When the contour shape of the shoe has been drawn, the surplus material illustrated in fig 10 is sheared or cut away, whereby the plate gets a shape corresponding to the shape of the individual horseshoe, as is shown in fig 9. More precisely, the ready- shaped plate 15 is housed inside the shoe, with the outer edges of the plate situated in the immediate proximity of the inner edges 28 of the horseshoe.

Function and Advantages of the Attachment According to the Invention

When the initially large blank according to fig 7 has been cut out and given a shape individually adapted to the individual horseshoe, the attachment is fastened on the shoe. This is carried out by the two fingers 16 being aligned in such a way that the holes 17 are located in flush with the two front holes 5 in the shoe. After this, the two front spikes 6 is screwed into the last-mentioned hole, the fingers being pressed in between the bottom side of the shoe and the spike heads 8. As is seen in fig 9, also other spikes may be screwed in without obstruction by the attachment, because the same is accommodated inside the sidelegs of the shoe. Furthermore, as is seen

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adjusted to horseshoes of highly varying shapes. In this connection, the turnability of the fastening fingers is of a crucial importance so far that the same enables fastening on shoes of highly varying hole images, i.e. varying arc length between the front holes of the shoes intended for the spikes.

Feasible Modifications of the Invention

The invention is not solely restricted to the embodiment example described above and shown in the drawings. As has been initially mentioned, the spikes on winter shoes may be permanently fixed on the shoes, usually by welding. At attachments for such shoes, the turnable fastening fingers may be formed in another way than with holes for connection with the spikes. For instance, the front ends of the fingers may be formed with fork-like lugs.

Claims

Claims

1. Snow-rejecting attachment for horseshoes including a plate (15) which at one end has two projecting, flat fingers (16), which are laterally turnable in relation to the plate to be able to be connected to spikes (6) on an individual horseshoe (1) independently of varying distance between the spikes, c h a r a c t e r i z e d in that the plate (15) is manufactured from a material suitable for casting, such as plastic, and that the individual finger (16) is arranged at a front end of the plate and consists of a thin piece of sheet metal which is connected to the plate via a hinge formed by casting plate material in a rear hole (20) in the finger.

2. Attachment according to claim 1, c h a r a c t e r i z e d in that on a bottom side (18) of the plate (15) turnable against the ground, a central ridge (26) is formed that, at tramping down, cuts down into the snow.

3. Attachment according to claim 1 or 2, c h a r a c t e ri z e d in that the individual finger (16) is slightly V-shaped by including a rear portion (21) that extends in approximately the same plane as the plate (15), as well as a front portion (23) extending at an obtuse angle in the direction for- wards/upwards from the rear portion.

4. Attachment according to any one of the preceding claims, c h a r a c t e r i z e d in that the same is in the form of a blank, the width of which is greater than the inner width of the largest horseshoe (1) in a given horseshoe assortment, peripheral rear portions of the blank being removable in order to individually adjust the shape of the blank to the shape of an individual horseshoe selected from the assortment.

5. Attachment according to claim 4, c h a r a c t e r i z e d in that the blank is made of transparent plastic in order to permit mapping of the individual shape of the individual horseshoe on the bottom side of the blank plate.