The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Apr. 25, 1989
Filed:
Oct. 08, 1987
Richard C Colonel, Belview, WA (US);
De Vere Lindh, Auburn, WA (US);
Other;
Abstract
The horseshoe comprises a spring and a wear plate. The spring has essentially parallel and flat top and bottom surfaces and is shaped in the outline of a horse's hoof in plan view. It comprises layers parallel to the top and bottom interconnected by spaced apart compression members. For the layers having compression members on both their sides, the compression members on one side are located opposite the spaces between the compression members on the other side. The structure is therefore a multiplicity of small spring elements. The spring material has a modulus of elasticity of approximately 350,000 pounds per square inch, a density of approximately 0.05 pounds per cubic inch and an allowable working stress in the range of 15,000 to 22,000 PSI. The configuration of the spring, in combination with these properties, provides a working deflection in the range of 0.3 to 0.5 inches and a spring rate in the range of 4000 to 6000 pounds per inch. The spring is attached to the hoof by conventional fasteners and techniques. The wear plate is attached to the bottom of the spring with conventional fasteners.