Shoe equipped with spring for doing jumping exercise

Details Shoe equipped with spring for doing jumping exercise Shoe equipped with spring for doing jumping exercise

1998-03-20

1999-06-29

Donnelly, Jerome W.

Exercise devices

Involving user translation or physical simulation thereof

Bouncing device

482 79, 482124, A63B 2510

Patent

active

059160713

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.

REFERENCES:
patent: 2756517 (1956-07-01), Youtz
patent: 4196903 (1980-04-01), Illustrato
patent: 4492374 (1985-01-01), Lekhtman et al.
patent: 5205798 (1993-04-01), Lekhtman

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