发明名称 ADJUSTABLE AND CHANGEABLE WEIGTH TRAINING DEVICE
摘要 An adjustable and changeable weight training device includes a top body, an upper body, a collar, at least one weight disk, a lower body, a bottom board and a connection member which is inserted through the parts. The number of the weight disks is adjustable to get a desired weight. The top body can be replaced with other configurations for different purposes, such as a dumbbell, a kettle-shaped dumbbell or a barbell.
申请公布号 US2011263392(A1) 申请公布日期 2011.10.27
申请号 US201113081573 申请日期 2011.04.07
申请人 YU YU-CHEN 发明人 YU YU-CHEN
分类号 A63B21/075 主分类号 A63B21/075
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