Патент USA US2115651код для вставки
Patented Apr. 26, 1938 2,115,651 UNiTED STATES PATENT OFFICE 2,115,651 LIFT PLATE FOR RUBBER HORSESHOES Thomas F. Sexton and John J. Sexton, Baltimore, Md. Application September 24, 1937, Serial No. 165,578 2 Claims. (Cl. 168-12) The object of the invention is to provide a de ments by providing for a quickly applied anti-skid vice for use in conjunction with rubber covered or anti-slipping feature. This anti-skid feature , horseshoes whereby their replacement with metal constitutes the use of nails l2 having heads [3 shoes provided with calks during periods of freez in the form of anti-skid lugs but used in connec~ 5 ing weather may be made unnecessary, the lift tion with a lift plate 14, the latter following the plate providing for the use of nail calks directly arcuate contour of the shoe but being provided in connection with the rubber shoe and so posi with a lateral ear l5 bearing against the inner tioning the calks of the nails that the calks will edge of the recess II when the lift plate is at engage the surface and prevent slipping; and tached. 10 generally to provide a lift plate which is of simple The lug shaped heads l3 of the nails I2 are form and susceptible of cheap manufacture. slightly less in height than the depth of the ‘re- 10 With this object in view, the invention consists in a construction and combination of parts of which a preferred embodiment is illustrated in the accompanying drawing but to which the in vention is not to be restricted. Practical appli cation may dictate certain changes or alterations and the right is claimed to make any which fall within the spirit of the invention. In the drawing: Figure 1 is a bottom plan View of the conven tional rubber shoe showing the invention applied in operative position. Figure 2 is an edge elevational View of the struc ture of Figure 1. Figure 3 is a sectional view on the plane indi cesses ! I, so that when the nails are used without the lift plate, the lugs are held clear of the ground. When the lift plate is employed, however, its thickness is sui?cient to cause the lug heads 13 to project to the plane of the undersurface of the shoe, or so close to the plane of the undersur face that normal compression of the rubber un der the animal's weight will bring the lug heads into contact with the surface. The ear l5 acts as a lateral bearing member for the lift plate and when in contact with the inner wall of the recess II will position the nail holes l6 in the lift plate directly over the nail holes in the shoe. ‘ While the ear l5 acts as a lateral bearing mem cated by the line 3—3 of Figure 1. ber for the lift plate, it can also function as a Figure 4 is a sectional view similar to Figure 3 but in the plane of the nail shank. Figure 5 is a perspective view of the improved it at or near the undersurface of the shoe, so that lug when made of sufficient length to terminate lift plate. when the rubber is compressed, its lower edge will be exposed to the surface to engage the same. In a conventional rubber covered horseshoe, such as illustrated at if], a metal core is entirely claimed as new and useful is: enclosed with a rubber covering which, however, is reduced in thickness at opposite sides of the shoe, as indicated at H, where the nails are ap— plied to attach the shoe to the hoof, the lateral recesses thus provided in the shoe serving as clearance spaces for the nail heads. In bad weather, however, the noise reducing feature of the rubber shoe is of no value and the rubber covering itself can be of little use in preventing sliding on iced or sleety pavements, so that the practice is to remove the rubber shoe and replace it with a metal one, having the nec essary non-skid feature. This practice, however entails constant preparation for shoe changing with the attendant expense of maintaining a blacksmith constantly available to make the shoe changes when necessary. The present invention, however, contemplates the use of the rubber shoe on sleety and icy pave The invention having been described, what is 1. In combination with a horseshoe having a rubber covering and recesses at the edge to pro vide clearance spaces for the attaching nail heads, 3 a lift plate seated in a recess, and nails passing through the plate and through the shoe and hav— ing lug heads whose lower edges are approxi mately in the plane of the undersurface of the 40 shoe. 2. In combination with a horseshoe having a rubber covering and recesses at the edge to pro vide clearance spaces for the attaching nail heads, a lift plate seated in a recess and provided with a lateral ear engaging the side wall of the recess, and nails passing through the plate and through the shoe and having lug heads Whose lower edges are approximately in the plane of the undersurface of the shoe. THOMAS F. SEXTON. JOHN J. SEXTON.