Back to results
US 4,318,231 AGranted
Ice stud for shoes
OwnerConrad Simoneauinventor
Life of this patent
Estimating the term…
Abstract
In a jogging shoe having a rubber sole, and a mid-sole detachably secured in the soles, a stud for enabling the runner to run safely in winter under icy conditions. The stud projecting from the out-sole of the shoe.
Claims1
In combination, a shoe having a resilient out-sole and mid-sole and a removeable one piece stud embedded in said soles in which a portion of the stud projects beyond the outer surface of the sole, said stud comprising:
- a shank portion having a fusto-conical head at one end thereof, a tubular spike at its other end and an integral annular flange spaced upwardly a short distance from the tip end of the spike, said stud being embedded in the soles of the shoe with the fusto-conical head disposed in the mid-sole with its base resting on the inner surface of the out-sole and the shank in the out-sole with the annular flange bearing on the out-sole outer surface so that the spike projects beyond the outer surface of the out-sole and further insertion of the stud into the shoe is prevented.
Dependencies are inferred from the claim text.