Racing plate horseshoe system with movable calks

Details Racing plate horseshoe system with movable calks Racing plate horseshoe system with movable calks

1990-03-05

1991-07-02

Swiatek, Robert P.

Farriery

Shoes

168 33, 168 42, A01L 104

Patent

active

050279041

ABSTRACT:
A racing plate horseshoe system with movable calks has an arcuate racing plate attachable to a horse's hoof. An elongated groove is provided in the lower surface and has a plurality of spaced-apart threaded holes extending from the upper surface to the groove in the lower surface. The threaded holes are provided with set screws to protect the holes during fitting the shoes. One or more screw-attached calks are mounted to the racing plate, each calk having upstanding tabs engaged into the groove and having a depending blade. The blade calk is attached to the racing plate with a screw replacing the set screw. Each calk may be mounted to the racing plate in with blade in any one of four orthogonal positions with one or more of the upstanding tabs engaged into the groove of the shoe. A preferred embodiment uses cap screws installed in the threaded hole to provide simple wear-resistant calks. Another preferred embodiment has one or more heel blocks comprising cylindrical spacers attached by screws installed into the threaded holes. The racing plate may be adapted to the track conditions and the horse's running characteristics by adding any combination of blade calks, wear calks and heel blocks.

REFERENCES:
patent: 616413 (1898-12-01), Drew
patent: 817583 (1906-04-01), McGann
patent: 864246 (1907-08-01), Kelleher
patent: 1101333 (1914-06-01), Roberts
patent: 1315080 (1919-09-01), Bowers
patent: 1390171 (1921-09-01), Slater
patent: 1527454 (1925-02-01), Walkenhorst
patent: 3050133 (1962-08-01), Ketner et al.

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