Farriery – Calks – Removable
Patent
1976-09-08
1979-02-13
Kinsey, Russell R.
Farriery
Calks
Removable
A01L 704
Patent
active
041390610
ABSTRACT:
On both heels of a racing plate a boss is formed having a top surface lying substantially flush with the top surface of the shoe, and an upwardly facing opening including a shallow recess and a mortise extending completely through the shoe is formed in each boss for receiving an insert. The insert formed of abrasion resistant material has a capital which lies in the recess, and a tenon which slides snuggly into the mortise and is held in place by a resilient O-ring. The insert capital supports the side walls of the recess and the recess walls exclude dirt from wedging between the capital and recess floor and lifting out the insert. A calk is made by forming a cleat on the insert capital; without a cleat, the insert is a wear plate whose top surface is flush with the top surface of the boss, providing a zone of increased wear resistance to decrease the wear of the heels. A tool is provided for facilitating easy removal and exchange of inserts so that the same shoe can be used, with inserts of various shapes and sizes, on all racetracks under all surface and climatic conditions.
REFERENCES:
patent: 613883 (1898-11-01), Hoppesch
patent: 984385 (1911-02-01), Miller
patent: 1159488 (1915-11-01), Gallup
patent: 1210648 (1917-01-01), Hersey
patent: 1320878 (1919-11-01), Lindberg
patent: 1361744 (1920-12-01), Porter
patent: 3050133 (1962-08-01), Ketner et al.
Kinsey Russell R.
Kwik-Kalk Corporation
Leach Daniel J.
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