发明名称 Inner sole adjustable in weight
摘要 A footwear insole that is put into a footwear when used includes an insole body put in the footwear, and a load-applying part installed on a rear portion of the insole body to apply load to a user wearing the footwear with the insole body. When the user uses the footwear insole of the present invention, since the weight of the footwear is increased, the user can obtain an effect similar to a case that he/she wears a sandbag or a lead jacket, thereby increasing the burning of calories and exercise effect.
申请公布号 US7337562(B2) 申请公布日期 2008.03.04
申请号 US20050523189 申请日期 2005.08.19
申请人 KIM HEE-SUK 发明人 KIM HEE-SUK
分类号 A43B5/00;A43B3/24;A43B7/08;A43B13/10;A43B13/38;A43B17/04;A43B17/08 主分类号 A43B5/00
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