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US 5,916,071 AGranted
Shoe equipped with spring for doing jumping exercise
OwnerYan-Yee Leeinventor
Life of this patent
Estimating the term…
Abstract
An exercise shoe includes a shoe body and a frame fastened to the underside of an outsole of the shoe body. The frame is provided therein with a circular body in which a spring is located such that both ends of the spring are engaged with the retaining rings of two control rod members, and that the spring can be expanded or compressed by the control rod members so as to adjust the resilience of the frame. The frame is provided with a skidproof bottom to prevent the exercise shoe from skidding on a surface.
Claims7
An exercise shoe comprising a shoe body having an outsole, and an elastic frame fastened to the outsole;
- wherein said elastic frame is provided in an underside thereof with a skidproof piece fastened therewith, said elastic frame further provided respectively at a toe end thereof and a heel end thereof with an elastic protective cover fastened therewith by a control rod member, which is engaged with a spring located in an elastic circular body held in said elastic frame.
Dependencies are inferred from the claim text.