| 摘要 |
Jump shoes are provided to prevent each component from being broken by preventing foreign materials from going into the space between the middle sole and the outsole. The jump shoes include string(102), a middle sole(20), an upper case(202) that is open in the lower part, an outsole(30) being separated from the middle sole in a predetermined space, a lower case(302), and a coil spring installed inside the upper case and the lower case that are fixed into each other. An elastic cutoff screen(50) encloses the circumference of the middle sole and the outsole. Both ends of a connection band(60) fixed on the outsole come out of holes(502) formed at both sides of the cutoff screen(50). Fasteners(70a) at both ends of the connection band fasten and fix both ends of the connection band.
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