US Patent 6996922 Jump shoes

The present invention relates to jump shoes, at which a coil spring 40 is installed, wherein a flexible blocking member 50 is installed to fully enclose around the middle layer 20 and the bottom layer 30, a connecting band 60 is fixed to the bottom layer 30 to discharge both ends of the connecting band 60 through a discharging hole 502 formed at both sides of the blocking member 50, and fastening means such as a Velcro tape 70a or a buckle band 70b is formed at the both ends of the connecting band 60 to fasten the both ends of the fastening band 60, thereby providing a jumping function by resilient force of the coil spring, or suppressing the jumping function.