BUSINESS SHOE ELIMINATING STUFFINESS USING CUSHION OF HEEL

摘要

PROBLEM TO BE SOLVED: To provide a device for relieving impact on a foot by feeding air into a shoe to eliminate the stuffiness of the shoe.;SOLUTION: The air is fed into the shoe by a spring built in the heel of the shoe to serve as bellows.;COPYRIGHT: (C)2005,JPO&NCIPI