1975-03-31
1976-05-04
Mancene, Louis G.
Harness for working animal
Spur
A43C 1700
Patent
active
039539580
ABSTRACT:
A spur for engagement with a boot of the type having an upper foot-engaging portion, an outer sole attached to the bottom of said upper portion and a heel attached to said boot at the rear of said outer sole, and wherein a groove is formed in the boot around the lower periphery of the upper portion by the inturned lower edge of the upper portion against the outer sole; the spur comprises a pair of forwardly directed arms which are connected at their rear ends in a curved portion to form a bell-shaped yoke; the yoke, in cross-section, has an upwardly and inwardly inclined profile which is tapered convergently upwardly; the yoke is also provided with a rounded lower edge from which a narrow rim projects inwardly and which is adapted to be received in the groove of the boot above and surrounding the heel; the spur is also provided with a pair of forwardly and upwardly directed ears which are pivotally attached to the forward ends of the arms along forwardly and downwardly directed hinge axes, respectively; each ear is provided with an outwardly directed button adapted to engage a conventional strap portion such that the strap portions can be fastened together above and forward of the instep portion of the boot to retain the spur firmly on the boot. The rim of the spur, at the rear portion thereof, projects forwardly and inwardly merely to the extent of the depth of the groove on the boot; at the forward portions, the rim projects inwardly to a lesser extent than the depth of the groove; the inner edge at the rear portion of the rim gradually tapers into the inner edges of the rim at the forward portions thereof. The forward and upward angle of the ears with respect to the forward ends of the yoke is such that, when the strap portions are firmly engaged, a forward thrust against the spur causes the rear portion thereof to be pulled into the groove at the rear end of the boot; a forward and upward thrust at the forward ends of the arms assists in maintaining the spur firmly on the boot.
REFERENCES:
patent: 769743 (1904-09-01), Hanaway
patent: 987905 (1911-03-01), Monier
patent: 2454228 (1948-11-01), Smith
Dorman William S.
Lever Jack Q.
Mancene Louis G.
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