Swinging dumbbell



A swinging dumbbell mainly comprises a grip, a reciprocating mechanism which penetrates through the grip and can perform reciprocating motion relative to the grip, and a first balance weight unit and a second balance weight unit which are respectively and fixedly arranged at two ends of the reciprocating mechanism. Two springs which mutually and interactively compress and extend are arranged in the reciprocating mechanism, therefore, through rapidly moving the swinging dumbbell in a reciprocating way, the purpose of weight training of a common dumbbell can be achieved by utilizing the two balance weight units, and different purposes of fitness can be achieved by utilizing the oscillation effect produced by the alternant compression between the two springs.




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    CN-102099082-AJune 15, 2011健康Iq有限责任公司惯性锻炼装置