SPRINGY SPORTIVE SHOES Russian patent published in 1999 - IPC

FIELD: light industry. SUBSTANCE: shoe has foot supporting member, sole, coil spring and spring retainer for retaining spring between inner sides of first and second portions of sole. First end of coil spring has smaller diameter as compared to its second end and may be inserted into it. Spring retainer has first member for supporting spring first end in offset position relative to inner side and second member for supporting second end of spring. First end of spring may be advanced through second end of spring so as to project into space defined by spring supporting member. Such construction prevents coil spring from falling outside during compression process. EFFECT: increased efficiency by improved support and returning of energy and simplified construction. 14 cl, 7 dwg