专利汇可以提供Protective device for hoofed animals专利检索,专利查询,专利分析的服务。并且A protective device 104 for hoofed and shod animals fabricated of a durable and flexible material is presented. The protective device 104 includes a base 106 and a wall 108, with the wall designed to enclose a hoof 100 of a bare or shod animal such as a horse or cow. The protective device 104 includes a means for size adjustment 216 such as a sizing opening 214 in combination with a plurality of tread grooves 304, which assists in the adjustment of the size and shape of the hoof to fit a variety of hoofs. The protective device 104 preferably includes a shear-relief portion 302 formed such that the front of a hoof has minimal contact with the device 104. Ease of installation, decreased impact, and improved traction are all benefits provided by the protective device 104 disclosed.,下面是Protective device for hoofed animals专利的具体信息内容。
what is claimed is:1. A protective device for shod animals comprising:a. a body portion including,i. a base portion formed in an approximately ring-like fashion around a central opening;ii. a wall portion formed on the base portion and extending upward and inward at an angle toward the central opening;iii. a sole portion extending inward toward the central opening, the sole portion including a customized impression to snugly fit with a horseshoe of a shod animal and forming a support surface for the hoof upon application of the device, said sole portion including a ground surface on the bottom of the base portion to provide a walking surface when the device is applied;iv. a groove-like shear-relief portion at the intersection of the wall portion and the base portion, said groove-like shear-relief portion opening roughly toward the central opening to prevent the front of the hoof from cutting into the protective device; andb. a means for detachably attaching the body portion to a hoof of a shod animal, whereby a hoof may be placed in the body portion and held in place by a combination of the base portion, the wall portion, and the means for detachably attaching the body portion, and whereby this combination creates a hold via significantly conform to the circumference of a hoof of a shod animal, whereby the shear-relief portion prevents the hoof from cutting into the device, and whereby the customized impression allows the device to be customized for use with a particular type of horseshoe.2. A protective device for shod animals as set forth in claim 1, further comprising a means for attaching the sole portion of the base portion to a hoof of a shod animal including at least one hole through the sole portion in order to provide for attachment with a device selected from the group consisting of nails, screws, and caulks.3. A protective device for shod animals as set forth in claim 1, wherein the base portion is made from a harder, more rigid material and the wall portion is made from a softer, more pliable material.4. A protective device for shod animals as set forth in claim 1, wherein the base portion further includes a rolled edge formed circumferentially around at least a portion of the base portion and adjoining the ground surface of the sole portion in order to prevent the device from catching against the ground as steps are taken.5. A protective device for shod animals as set forth in claim 1, wherein the sole portion includes a tread bevel, formed in the ground surface and extending inwardly and upwardly toward the central opening of the device in order to prevent debris accumulation between the sole portion and an animal's hoof as well as in the central opening.6. A protective device for shod animals as set forth in claim 1, wherein the ground surface of the sole portion further includes a plurality of tread grooves in communication with the central opening, and extending radially from the central opening, with the tread grooves formed to assist in size and shape adjustment of the device around a hoof of a shod animal.7. A protective device as set forth in claim 1, wherein the base portion of the device includes a vertical thickness, said thickness being variable for different sections of the base portion to assist in correcting for an animal's particular needs.8. A protective device for hoofed animals including:a. a body portion including,i. a base portion formed in an approximately ring-like fashion around a central opening;ii. a wall portion formed on the base portion and extending upward and inward at an angle toward the central opening;iii. a sole portion extending inward toward the central opening, such that it forms a support surface for the hoof upon application of the device, said sole portion including a ground surface on the bottom of the base portion to provide a walking surface when the device is applied;iv. a means for size adjustment formed in the body in order to allow for adjustment to varying hoof sizes;v. a groove-like shear-relief portion at the intersection of the wall portion and the base portion, said groove-like shear-relief portion opening roughly toward the central opening to prevent the front of the hoof from cutting into the protective device; andb. a means for detachably attaching the body portion to a hoof, whereby a hoof may be placed in the body portion and held in place by a combination of the base portion, the wall portion, and the means for detachably attaching the body portion, and whereby this combination creates a hold via significantly conform to the circumference of a hoof of a hoofed animal and whereby the shear-relief portion prevents the hoof from cutting into the device.9. A protective device for hoofed animals as set forth in claim 8, further comprising a means for attaching the sole portion of the base portion to a hoof of a shod animal including at least one hole through the sole portion in order to provide for attachment with a device selected from the group consisting of nails, screws, and caulks.10. A protective device for hoofed animals as set forth in claim 8, wherein the base portion is made from a harder, more rigid material and the wall portion is made from a softer, more pliable material.11. A protective device for hoofed animals as set forth in claim 8, wherein the base portion further includes a rolled edge formed circumferentially around at least a portion of the base portion and adjoining the ground surface of the sole portion in order to prevent the device from catching against the ground as steps are taken.12. A protective device for hoofed animals as set forth in claim 8, wherein the sole portion includes a tread bevel, formed in the ground surface and extending inwardly and upwardly toward the central opening of the device in order to prevent debris accumulation between the sole portion and an animal's hoof as well as in the central opening.13. A protective device for hoofed animals as set forth in claim 8, wherein the ground surface of the sole portion further includes a plurality of tread grooves in communication with the central opening, and extending radially from the central opening, with the tread grooves formed to assist in size and shape adjustment of the device around a hoof.14. A protective device as set forth in claim 8, wherein the base portion of the device includes a vertical thickness, said thickness being variable for different sections of the base portion to assist in correcting for an animal's particular needs.15. A protective device for shod animals including:a. a body portion including,i. a base portion formed in an approximately U-shaped fashion around a central opening;ii. a wall portion formed on the base portion and extending upward and inward at an angle toward the central opening;iii. a sole portion extending inward toward the central opening, the sole portion including a customized impression to snugly fit with a horseshoe of a shod animal and forming a support surface for the hoof upon application of the device, said sole portion including a ground surface on the bottom of the base portion to provide a walking surface when the device is applied;iv. a means for size adjustment formed in the body in order to allow for adjustment to varying hoof sizes of shod animals; andv. a groove-like shear-relief portion at the intersection of the wall portion and the base portion, said groove-like shear-relief portion opening roughly toward the central opening to prevent the front of the hoof from cutting into the protective device; andb. a means for detachably attaching the body portion to a hoof of a shod animal, whereby a hoof may be placed in the body portion and held in place by a combination of the base portion, the wall portion, and the means for detachably attaching the body portion, and whereby this combination creates a hold via significantly conform to the circumference of a hoof of a shod animal, whereby the shear-relief portion prevents the hoof from cutting into the device, and whereby the customized impression allows the device to be customized for use with a particular type of horseshoe.16. A protective device for shod animals as set forth in claim 15, wherein the means for attaching the sole portion of the base portion to a hoof of a shod animal includes at least one hole to provide for attachment with a device selected from the group consisting of nails, screws, and caulks.17. A protective device for shod animals as set forth in claim 15, wherein the base portion is made from a harder, more rigid material and the wall portion is made from a softer, more pliable material.18. A protective device for shod animals as set forth in claim 15, wherein the base portion further includes a rolled edge formed circumferentially around at least a portion of the base portion and adjoining the ground surface of the sole portion in order to prevent the device from catching against the ground as steps are taken.19. A protective device for shod animals as set forth in claim 15, wherein the means for detachably attaching the body portion to a hoof of a shod animal provides a circumferential closure causing the device to conform to a hoof of a shod animal.20. A protective device for shod animals as set forth in claim 15, wherein the means for detachably attaching the body portion to a hoof of a shod animal includes a strap having a plurality of holes, a plurality of pegs formed on the wall of the body portion, and a sizing opening in the body, whereby the device may be placed on a hoof of a shod animal, and the sizing opening adjusted through use of the strap, and held fixed on the hoof of a shod animal by the plurality of holes and pegs.21. A protective device for shod animals as set forth in claim 15, wherein the sole portion includes a tread bevel, formed in the ground surface and extending inwardly and upwardly toward the central opening of the device in order to prevent debris accumulation between the sole portion and an animal's hoof as well as in the central opening.22. A protective device for shod animals as set forth in claim 15, wherein the ground surface of the sole portion further includes a plurality of tread grooves in communication with the central opening, and extending radially from the central opening, with the tread grooves formed to assist in size and shape adjustment of the device around a hoof of a shod animal.23. A protective device as set forth in claim 15, wherein the base portion of the device includes a vertical thickness, said thickness being variable for different sections of the base portion to assist in correcting for an animal's particular needs.24. A protective device for hoofed animals including:a. a body portion including,i. a base portion formed in an approximately U-shaped fashion around a central opening;ii. a wall portion formed on the base portion and extending upward and inward at an angle toward the central opening;iii. a sole portion extending inward toward the central opening, such that it forms a support surface for the hoof upon application of the device, said sole portion including a ground surface on the bottom of the base portion to provide a walking surface when the device is applied; andiv. a means for size adjustment formed in the body in order to allow for adjustment to varying hoof sizes;v. a groove-like shear-relief portion at the intersection of the wall portion and the base portion, said groove-like shear-relief portion opening roughly toward the central opening to prevent the front of the hoof from cutting into the protective device; andvi. andb. a means for detachably attaching the body portion to a hoof, whereby a hoof may be placed in the body portion and held in place by a combination of the base portion, the wall portion, and the means for detachably attaching the body portion, and whereby this combination creates a hold via significantly conform to the circumference of a hoof of a hoofed animal and whereby the shear-relief portion prevents the hoof from cutting into the device.25. A protective device for hoofed animals as set forth in claim 24, wherein the means for attaching the sole portion of the base portion to a hoof includes at least one hole to provide for attachment with a device selected from the group consisting of nails, screws, and caulks.26. A protective device for hoofed animals as set forth in claim 24, wherein the base portion is made from a harder, more rigid material and the wall portion is made from a softer, more pliable material.27. A protective device for hoofed animals as set forth in claim 24, wherein the base portion further includes a rolled edge formed circumferentially around at least a portion of the base portion and adjoining the ground surface of the sole portion in order to prevent the device from catching against the ground as steps are taken.28. A protective device for hoofed animals as set forth in claim 24, wherein the means for detachably attaching the body portion to a hoof provides a circumferential closure causing the device to conform to a hoof.29. A protective device for hoofed animals as set forth in claim 24, wherein the means for detachably attaching the body portion to a hoof includes a strap having a plurality of holes, a plurality of pegs formed on the wall of the body portion, and a sizing opening in the body, whereby the device may be placed on a hoof, and the sizing opening adjusted through use of the strap, and held fixed on the hoof by the plurality of holes and pegs.30. A protective device for hoofed animals as set forth in claim 24, wherein the sole portion includes a tread bevel, formed in the ground surface and extending inwardly and upwardly toward the central opening of the device in order to prevent debris accumulation between the sole portion and an animal's hoof as well as in the central opening.31. A protective device for hoofed animals as set forth in claim 24, wherein the ground surface of the sole portion further includes a plurality of tread grooves in communication with the central opening, and extending radially from the central opening, with the tread grooves formed to assist in size and shape adjustment of the device around a hoof.32. A protective device as set forth in claim 24, wherein the base portion of the device includes a vertical thickness, said thickness being variable for different sections of the base portion to assist in correcting for an animal's particular needs.
TECHNICAL FIELD
The present invention relates generally to hoof protection, and more particularly to shoes for hoofed animals such as horses, ponies, mules, cattle, and the like.
BACKGROUND OF THE INVENTION
Horses have been shod with metal shoes held in place by nails since the advent of the Iron Age. Horse shoeing was necessary to protect and support the hoof while horses engaged in activities beyond their natural ability due to the softness of their feet. Since horses hooves are uniquely shaped, iron offered several advantages. Iron is easily shaped, and may be affixed to the hoof with metal nails to accommodate a horse's individual needs. Also, iron protects the hoof from chipping and increases the sole's distance from the ground. In addition to these advantages, the shape of the horseshoe effectively increases the weight bearing surface area of the hoof, which, in turn, increases a horse's stability.
Today's domestic horse is faced with very different challenges than those encountered in nature, such as the presence of slippery road surfaces and the need to engage in high-performance sports. While steel shoes offer a horse a high degree of protection and support, they have many shortcomings. First, steel shoes generally lack traction on hard surfaces, and are poor shock absorbers. Second, steel shoes are too heavy for certain horses and may cause problems such as interference with limb motion. Third, steel shoes generally require installation by a person possessing specialized skills such as a professional farrier. Fourth, nails present an inherent risk of injury due to misplacement in the hoof. Fifth, horseshoes may be shaped incorrectly and may alter the horse's natural movement and cause damage over time. Sixth, use of the wrong size of shoe may lead to a host of hoof and leg ailments. Finally, all shoes affixed with nails run the risk of being thrown with devastating results if the shoe is ripped from the hoof, injuring both the hoof wall and the limb. Over time, attempts have been made to address these problems with varying degrees of success.
Aluminum horseshoes help to solve the issues of traction, shock absorption, weight, and, to a lesser extent, support. Aluminum shoes are made in three basic varieties, racehorse shoes, orthopedic shoes, and therapeutic shoes. However, aluminum shoes have several shortcomings, including short useful life and high cost.
Equine boots, such as those provided in U.S. Pat. Nos. 5,692,569; 5,588,288; 5,528,885; 4,174,754; 3,732,929; and 3,703,209 provide various examples of alternative devices that address the issues of traction and shock absorption without the use of traditional horseshoes. Some of the general characteristics common to these devices are as follows. They are designed to provide for easy installation, and are primarily utilized to provide a temporary solution for a missing or thrown shoe. They fit over the hoof, and are generally made from solid rubber, or other synthetic material with tread on the sole portion. While useful temporarily, these devices are typically heavy and clumsy, and substantially detract from a horse's performance. In some cases, the added weight of these devices causes interference between the horse's limbs. Additionally, the typically awkward shape of these devices makes them difficult for riders to carry, despite the fact that carrying them as a field-based horseshoe replacement is one of principal reasons they are purchased. Equine boots also tighten around the hoof with closures that can be clogged, damaged or broken by rocks, debris, or rugged terrain. In addition to excessive weight and clumsy design, these devices also tend to rub the bulbs of the hoof heels. This may cause sensitivity, bleeding and lameness in the heel area, rendering the horse unusable. Equine boots come in a variety of sizes but in only one standard shape, making them extremely difficult to install and to properly conform to hooves that differ from the standard design. To address this flaw, silicone inserts and adhesives are used to keep some of these devices affixed to the hoof making them extremely difficult to remove. The materials typically used in equine boots make it difficult for horse owners to modify them.
To avoid the need for nails, glue-on shoes have also been developed, which attach to the hoof through the use of tabs that are affixed to the hoof wall. There are generally two varieties of glue-on shoes. The first variety includes shoes fabricated from plastic, polyurethane, or other synthetic material that cannot be shaped to accommodate the unique shape of a horse's hoof. Some glue-on shoes of this variety, however, are made from softer materials that bend against the wall of the hoof, but which fail to conform to the wall's shape. This design absorbs impact, provides some traction, and eliminates the issues surrounding nailed shoes. However, the tabs of these devices are easily scraped from the wall when the horse negotiates uneven terrain or encounters deep footing. Additionally, soft glue-on shoes typically lack adequate support, as they fail to conform properly to the hoof wall. Another drawback of glue-on shoes is that they must be installed by a person having special skills such as a farrier, and are thus costly and inconvenient to install. The second type of glue-on shoe is similar to the first, except that it contains a soft metal core, typically aluminum. This addition was intended to allow unique shaping on an anvil or other bending apparatus. This customization is difficult because the hammer tends to bounce off the outer material during the shaping process, with little or no change to the core. As a result, a shaper must strike harder, resulting in an increased chance of damaging the outer material during the shaping process. Because of the design, sharp bends are difficult, if not impossible, to accomplish.
Polyurethane or synthetic shoes are affixed to the hoof with nails. They address issues related to shock absorption, traction and support. These devices have a standard shape and cannot be adequately fashioned to accommodate unique hoof shapes. This results in shoe material extending beyond a horse's normal support surface, increasing the risk of horseshoe loss resulting from snagging. Polyurethane or synthetic shoe varieties sometimes include a metal core help to solve this problem by allowing for size alteration via grinding. However, if the metal core becomes exposed, the shoe's effective life decreases substantially.
Synthetic shoes come in a variety of styles (including bar shoes, bar shoes with clips, open shoes, and open shoes with clips) and sizes, but are not easily adaptable to the unique shape and size of an individual horse's hoofs. These devices also have the disadvantages associated with nails such as lameness due to nail misplacement, tearing of the hoof wall when the shoe is thrown, and the necessity of professional installation.
Hard facing and screw-in caulks were developed as further attempts to adapt steel shoes to situations where horses require traction. Hard facing is a method by which a farrier or skilled professional spreads expensive high carbon metal chips (typically barium or titanium) contained in an adhesive flux over a horseshoe's impact points. This extends the life of the shoe and increases traction on hard surfaces. The primary problem with hard facing is localized shock. Over time the areas hoof that are beneath the hard facing begin to delaminate. This increases the chance of abscesses, seedy toe, white line disease, and Laminitis. Screw-in caulks have been employed for centuries, as a method wherein a farrier taps a desired numbered of holes in a shaped horseshoe depending on the activity the horse is performing. The shoes are then nailed to the hoof and the threaded holes are sealed with cotton, beeswax rubber, or other closure. When necessary, the owner may remove the closure and screw the caulk into the shoe with a caulk wrench or other tool. Problems exist with sealing the threaded holes as closures fall out or wear out, and are not replaced. Furthermore, debris tends to fill the holes, making caulks difficult to install. Cross threading and caulk selection are problems, as horse owners may choose inappropriate devices for their horse's activity. While this device, when functioning properly, is effective for achieving traction, it may cause injury to an animal's joints, tendons, and ligaments.
Horseshoe pads as exemplified in U.S. Pat. No. 5,199,498; rim pads as exemplified in U.S. Pat. No. 4,565,250; and therapeutic pads as exemplified in U.S. Pat. No. 4,775,011 are used to reduce shock, prevent bruising and address therapeutic issues such as ring bone, side bone, Laminitis, navicular disease, tendon and ligament sprains, coffin bone and navicular bone fractures, splints, as well as other hoof and limb injuries or aliments. Horseshoe pads are affixed between the hoof and shoe and are available in many varieties, which generally fit into the three categories mentioned above: full pads, rim pads, and therapeutic pads. Full pads cover the plantar surface of a horse's hoof completely. Rim pads cover only the area of the hoof that comes in contact with the shoe. This open center allows the bottom of the hoof to grab in deep footing and soft surfaces. The open center also makes cleaning of the hoof easier. Therapeutic pads come in many shapes and cover the entire hoof or portions of it. Design choices may result in redirected or reduced pressure, changed balance, and protection for certain structures. Current horseshoe pads suffer from several drawbacks. The thickness of the pad weakens the connection between the shoe and the hoof by placing stress on the thinner portion of the nails used to affix shoe and pad to the hoof. Also, full pads tend to cause the hoof to harbor bacteria. Hoof packing is used to combat this effect. However, eventually the packing gets pushed out, and bacteria incubate causing problems such as abscesses, thrush, seedy toe, and white line disease. Furthermore, full pads can cause an anvil-like effect against the sole of the hoof, mitigating the intended effect when the sole is not properly prepared or when the wrong packing is used.
Therefore, it is an object of the present invention to overcome the problems just discussed, and to provide a protective device for hoofed animals which is preferably fabricated from a resilient and elastic material, and which is adaptable to a variety of hoof sizes.
SUMMARY OF THE PRESENT INVENTION
A protective device for hoofed and shod animals is presented including a body portion
105
having, a base portion
106
formed in an approximately ring-like or U-shaped fashion around a central opening
212
; a wall portion
108
formed on the base portion
106
and extending upward and inward at an angle toward the central opening
212
; a sole portion
210
extending inward toward the central opening
212
, such that it is customized to fit over a hoof of a shod animal and forms a support surface for the hoof upon application of the device, said sole portion
210
including a ground surface
118
on the bottom of the base portion
106
to provide a walking surface when the device is applied; and a means for size adjustment
216
formed in the body in order to allow for adjustment to varying hoof sizes; and a means for detachably attaching the body portion
105
to a hoof of a bare or shod animal, whereby a hoof may be placed in the body portion
105
and held in place by a combination of the base portion
106
, the wall portion
108
, and the means for detachably attaching the body portion
105
, and such that the device conforms substantially with the circumference of a hoof. Furthermore, the means for attaching the sole portion of the base portion to a hoof of a bare or shod animal includes at least one hole
316
to provide for attachment by an attachment means. Attachments means which may be used with the present invention include nails, screws, and caulks and the like. Also, the base portion
106
is preferably made from a harder, more rigid material and the wall portion
108
is made from a softer, more pliable material. By forming the base portion
106
of a harder, more rigid material, it is made more durable and it is also more supportive of the horse, whereas with a softer material the varying compression of the material due to irregularities in the weight distribution across the hoof may lead to balance problems for the horse. Also, in cases where a device is conformed for the use of a specific type of shoe, e.g. a horseshoe, the rigidity of the base portion
106
may aid in ensuring that no slippage of the shoe with respect to the base portion
106
may occur. On the other hand, forming the wall portion
108
of a softer, more pliable material, allows the present invention to be more easily applied over a hoof. It may be advantageous to utilize a material having a somewhat “sticky” character to help it adhere to the hoof, thereby providing a better grip with the hoof. Furthermore, the softer, more pliable material also assists in ensuring a fit that is much more snug than would be available using a harder, more rigid material for this purpose.
Additionally, the base portion
106
may be designed to include a rolled edge
120
formed circumferentially around at least a portion thereof, and adjoining the ground surface
118
of the sole portion
210
in order to prevent the device from catching against the ground as steps are taken. Additionally, the means for detachably attaching the body portion
105
to a hoof may provide a circumferential closure causing the device to conform to a hoof. In other words, the device may be formed as a continuous piece of material that “slips” onto the hoof. In another embodiment, the means for detachably attaching the body portion
105
to a hoof may include a strap
112
having a plurality of holes
114
, a plurality of pegs
116
formed on the wall
108
of the body portion
105
, and a sizing opening
214
in the body
105
, whereby the device may be placed on a hoof, and the sizing opening
214
adjusted through use of the strap
112
, and held fixed on the hoof by the plurality of holes
114
and pegs
116
. A wide variety of closure mechanisms may be provided to allow for detachable attachment of the device. In addition to forming the device in a continuous ring-shape and as a U-shape with a strap, various other attachment mechanisms may be used, non-limiting examples of which include clips, buckles, and Velcro.
The sole portion
210
may also include a tread bevel
306
, formed in the ground surface
118
and extending inwardly and upwardly toward the central opening
212
of the device in order to prevent debris accumulation between the sole portion
118
and an animal's hoof as well as in the central opening
212
. In another embodiment, the ground surface
118
of the sole portion
210
may include a plurality of tread grooves
304
in communication with the central opening
212
, and extending radially from the central opening
212
, with the tread grooves
304
formed to allow for adjustment of the device around a hoof. The device may be, fabricated by the process of injection molding. In another embodiment, the base portion
106
of the device
104
may include a vertical thickness, which may be variable for different sections of the base portion
106
to assist in correcting for an animal's particular needs. In another embodiment, the body portion
105
may include a shear-relief portion
302
at the intersection of the wall portion
108
and the base portion
106
, said shear-relief portion
302
opening roughly toward the central opening
212
. The device may further be custom-fitted to a particular horse in order to ensure optimal fit.
These and other features and advantages of the present invention will be apparent to those skilled in the art from the following detailed description, taken together with the accompanying drawings, in which like reference materials refer to like parts.
BRIEF DESCRIPTION OF THE DRAWINGS
FIG. 1
presents a side view of the present invention as applied to a horse's hoof;
FIG. 2
presents a perspective view of an embodiment of the present invention, unapplied;
FIG. 3
presents a cross-sectional view of the an embodiment of the present invention, unapplied;
FIG. 4
presents a top view of an embodiment of the present invention, unapplied;
FIG. 5
presents a bottom view of an embodiment of the present invention, showing the tread and sizing grooves in detail;
FIG. 6
presents a back view of an embodiment of the present invention, detailing an example closure and sizing means;
FIG. 7
presents a close-up view of a peg/hole closure/attachment means for the present invention;
FIG. 8
presents an exploded view of an embodiment of the present invention used with a flat pad and medication; and
FIG. 9
presents an alternative embodiment of the present invention, where the device is formed in a ring-like manner with a harder material for sole portion and a softer material for the upper portion.
DETAILED DESCRIPTION
The present invention is useful to provide a protective device for hoofed animals that may be tailored to a variety of applications. The following description is presented to enable one of ordinary skill in the art to make and use the invention and to incorporate it in the context of particular applications. Various modifications, as well as a variety of uses in different applications will be readily apparent to those skilled in the art, and the general principles defined herein may be applied to a wide range of embodiments. Thus, the present invention is not intended to be limited to the embodiments presented, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. Specifically, although the embodiments described herein are discussed relative to horse hoofs, other embodiments may readily be fabricated for use with other hoofed animals without varying from the scope of the present invention.
The present invention presents a novel and useful protective device for hoofed as well as shod animals. An embodiment of the device of the present invention is presented in
FIG. 1
, as applied to a horse's hoof
100
. The hoof
100
and pastern
102
of the horse are shown, along with the device
104
of the present invention. As shown, the device
104
includes a body portion
105
having a base
106
and a wall
108
which enclose the hoof
100
, fitting around and beneath. The device
104
is fabricated of a flexible, resilient, and durable material such as certain plastics or rubbers, assist in shape and size adjustment to accommodate a variety of hoofs
100
with only minor adjustments. As shown in
FIG. 1
, the device
104
includes a means for attachment
110
attached to, and extending from, the wall
108
and comprising a strap
112
with a plurality of holes
114
, and a plurality of pegs
116
formed on the wall
108
, with the holes
114
and pegs
116
sized such that the pegs
116
may be received in the holes
114
to secure the strap
112
on the base
106
. The strap
112
is provided as part of the means for attachment
110
in order to help secure the device
104
on the hoof
100
. Although pegs
116
and a strap
112
with holes
114
are provided as the means for attachment
110
in
FIG. 1
, many other attachment means may be utilized such as straps with buckles, straps with Velcrotype fasteners, clips, among others. The means for attachment
110
may also be provided by forming the device in a ring-like shape so that it fits over an animal's hoof. It is important primarily that the means for attachment
110
help to retain the device
104
on the hoof
100
, preferably in an adjustable manner. An optional keeper peg
116
is also shown in
FIG. 1
, whose purpose is to provide a backup to the keeper pegs
116
in order to ensure the device
104
is not thrown from the hoof
100
. The base
106
of the device
104
, as shown, further includes a ground surface
118
, which may be designed to include a means for providing traction for the hoof
100
, e.g. cleats or tread, to provide better footing for the animal. A rolled toe
120
is also shown on the base
106
, to ensure that the device
104
does not catch against the ground as steps are taken. In a preferred embodiment of this invention, the base portion
106
is made from a harder, more rigid material and the wall portion
108
is made from a softer, more pliable material. By forming the base portion
106
of a harder, more rigid material, it is made more durable and it is also more supportive of the horse, whereas with a softer material the varying compression of the material due to irregularities in the weight distribution across the hoof may lead to balance problems for the horse. Also, in cases where a device is conformed for the use of a specific type of shoe, e.g. a horseshoe, the rigidity of the base portion
106
may aid in ensuring that no slippage of the shoe with respect to the base portion
106
may occur. On the other hand, forming the wall portion
108
of a softer, more pliable material, allows the present invention to be more easily applied over a hoof. It may be advantageous to utilize a material having a some what “sticky” character to help it adhere to the hoof, thereby providing a better grip with the hoof. Furthermore, the softer, more pliable material for the wall portion
108
to also assists in ensuring a fit that is much more snug than would be available using a harder, more rigid material for this purpose.
A perspective view of the device
104
of the present invention is shown in
FIG. 2
, unapplied. The embodiment of the device
104
shown has a means for attachment
110
as was described for
FIG. 1
, which includes a plurality of pegs
116
formed on the wall
108
, and a strap
112
with holes
114
attached to, and extending from the wall
108
. As can be seen in
FIG. 2
, the wall
108
is defined by a posterior section
202
, an anterior section
204
, an inside
206
, and an outside
208
. Additionally, it can be seen that the base
106
includes a sole portion
210
, which covers a portion of the bottom of an animal's hoof. The sole portion
210
, as shown in
FIG. 2
, preferably has a central opening
212
and a sizing opening
214
, which comprise a means for size adjustment
216
in order to assist in allowing the device
104
to be fitted to hoofs of varying sizes. In operation, the device
104
is fitted around the hoof
100
of an animal, and is held in place by the friction between the inside portion
206
of the wall
108
and the hoof
100
, the means for attachment
110
, and the sole portion
210
. Thus, the means for attachment
110
preferably comprises a means to hold the device
104
on a hoof
100
through pressures caused by circumferential tightening around the hoof
100
.
A cross-sectional view of an embodiment of the device
104
of the present invention is shown in
FIG. 3
, unapplied. As shown, the means for attachment
110
further includes a strap guide
300
, which is provided to help hold the strap
112
against the wall
108
to prevent inadvertent release and to keep debris from gathering therebetween during use. In the anterior section
204
of the wall
108
at the base
106
, a shear-relief portion
302
is formed to prevent the front of the hoof from cutting into the material of the device
104
. The shear-relief portion
302
also helps to ensure that the pressures developed during walking are distributed across the bottom of the hoof, rather than concentrated at the front tip. Additionally, the shear-relief portion
302
creates a suction in the front of the device
104
, which also helps to keep it in place. Relief can also be used to direct pressure in certain cases to prevent or treat contracture. By providing a beneficial pressure distribution across the bottom of the hoof, the device
104
causes an animal to travel in a more balanced fashion, which when combined with its shock-absorbing ability and improved traction, may help to prevent or to minimize stride disorders and ankle/limb damage/bone damage. The base
106
of the device
104
is shown with tread grooves
304
, which are preferably formed as angled cavities formed radially from the central opening
212
, and which assist in providing the means for size adjustment
216
by enhancing the circumferential flexibility of the base
106
in fitting around the hoof
100
. The tread grooves
304
are preferably formed such that they narrow toward the central opening
212
, and are open toward the ground surface
118
of the base
106
. A base bevel
306
is also shown, the angular nature of which causes a tight seal against the bottom of the hoof to help prevent debris from gathering between the hoof
100
and the ground surface
118
. The angular nature of the base bevel
306
causes it to form a tight, lip-like seal against the bottom of the hoof. Furthermore, in the preferred embodiment of the present invention means are provided for attaching the sole portion of the base portion to a hoof of a shod animal, which includes at least one hole
316
to provide for attachment with a device selected from the group consisting of nails, screws, and caulks.
A top view and a bottom view of an unapplied embodiment of the present invention are shown in FIG.
4
and
FIG. 5
, respectively, with all numbered portions corresponding to those previously described. As can be seen more clearly in
FIG. 4
, the shear-relief portion
302
is formed in the area where the front of the hoof resides during operation. All other parts are as shown in
FIGS. 1
,
2
, and
3
. A bottom view of an embodiment of the present invention, showing the tread and sizing grooves in detail is shown in FIG.
5
. The tread grooves
304
, the central opening
212
, and the sizing opening
214
are all chosen to assist in allowing the device
104
to be fitted to hoofs
100
of varying sizes. In
FIG. 5
, the tread grooves
304
are shown having an inner separation
400
and an outer separation
402
, with the thread grooves
304
having an adjustment angle
404
chosen such that the inner separation
400
is greater than the outer separation
402
, and such that the tread grooves
304
adjust in size to assist in allowing the device
104
to be easily fitted to varying sizes of hoofs. In operation, the device
104
is placed onto a hoof
100
of an animal, and is fitted by the means for adjustment
110
. The base bevel
306
may be seen more clearly as an angled portion, which is designed to provide a snug fit against the bottom of the hoof
100
in order to help prevent debris from accumulating between the sole portion
210
and the bottom of the hoof
100
as well as in the central opening
212
. It is important to note that the inside
206
of the wall
108
is angled inward toward the central opening
212
in order to properly fit against the sides of a hoof
100
. The actual angle also varies around the circumference of a hoof
100
to provide a proper fit, and may be specifically tailored to a particular size range or type of animal. The variation in the angle may be seen in
FIG. 3
between the anterior section
204
and the posterior section
202
of the wall
108
. The flexibility of the material that forms the device
104
enables a single device
104
to be used for a variety of hoofs
100
. The means for adjustment
110
provides a way to make the wall
108
fit snugly on the hoof
100
.
A back-view of an embodiment of the present invention is shown in FIG.
6
. All of the labeled elements are as presented with regard to
FIGS. 1
,
2
,
3
,
4
, and
5
and are shown in the back-view of
FIG. 6
for further clarity.
A close-up view illustrating the relationship of a hole
114
of the strap
112
and a peg
116
, along with the strap guide
300
formed on the wall
108
are presented in FIG.
7
. The strap guide
300
is shown specifically formed to receive the strap
112
and to hold it in place during use. All other elements are as presented with regard to
FIGS. 1
,
2
,
3
,
4
,
5
, and
6
.
The device
104
of the present invention may be used as an alternative to a horseshoe, as a temporary replacement for a thrown horseshoe, or as a means for securing a medical pack or device. Furthermore, it may be used in conjunction with horseshoes in order to provide padding in situations where the hard impact of horseshoes is undesirable, such as in the case of a police horse operating on sidewalks and streets. Various modifications may be made, such as the provision of cleats to provide the base
106
with a smaller ground surface
118
to tailor the device
104
for use in high-performance sporting events. Also, the size of the sole portion
210
may be selected for optimized medical use. Furthermore, the device
104
may be fabricated with cutting guides, to allow tailoring by the user to provide an improved fit for a particular animal. This feature may be particularly important for veterinarians, who work with many animals of varying sizes and who do not want to maintain the inventory required to provide for all. It may also be important for use in the field, where pack weight is important, and where a group of riders may wish to carry only a few shoe replacements that are adjustable to a wide group of animals. Because of the flexible and tailorable nature of the device
104
, specific embodiments may be developed to fulfill user needs.
In addition to use with medical boots, the device
104
may be used in many other applications and in combination with various medical devices. For example, it may be applied to the hind feet of a mare during breeding to prevent the stallion from being kicked. Also, it may be applied in confined spaces so horses cannot step on, or hit themselves while being transported or confined for medical purposes. Furthermore, the device
104
may be used with many other leg devices such as bell boots, leg wraps, and various pads.
An exploded view of an embodiment of the present invention used with a flat pad and medication is presented in FIG.
8
. As shown, a flat pad
800
, along with a dosage of medication
802
may be placed between the device
104
and an animal's hoof
100
.
Finally, it is important to note that although the embodiments discussed above include tread grooves
304
to assist in size and shape adjustment in order to accommodate hoofs
100
of varying sizes, customized embodiments may be created through the use of custom molds suited for use with a particular horse. Customized embodiments may also be created to accommodate hoofs of shod animals, so that the device would fit over the hoof of a shod animal as to provide further protection. Customization allows the device to be specifically tailored for different horses, and may be used to produce embodiments designed to provide an optimal fit or designed to treat specific ailments.
A further embodiment of the present invention is depicted in
FIG. 9
, where the device is formed in a ring-like manner with a harder material for sole portion and a softer material for the upper portion. As depicted, the rear portion of the device
900
is formed as a solid wall-like structure rather than being open as depicted in the other figures. Further, the base portion
902
and the sole portion
904
are formed of a material such as a hard plastic or rubber material that is comparatively more rigid than the material of upper portion or wall
906
. In embodiments designed for shod animals, the sole portion
904
includes a horse shoe imprint
908
preferably molded therein, which is designed to fit snugly with a particular type (e.g. brand, style, and size) of shoe. This allows the device to take advantage of a shod animal's shoes in order to provide a better fit. It is worth noting that, the bottom of the device may also be fitted with an even harder metal surface in some embodiments.
In a final aspect, the sole portion may also include holes through to the bottom. Holes can assist by providing a channel through which medications may be introduced to the hoof or by which the hoof may be cleaned without removing the device.
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