Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Shu-Chiung Liao Lai0
Date of Patent
February 21, 2012
0Patent Application Number
130077560
Date Filed
January 17, 2011
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dumbbell includes a bar, an axle, two weights and two cover. The bar includes a holding portion and two enlarged reception members connected to two ends of the bar. The axle extends through a passage of the bar and each reception member has a space for reception of the weight. Each weight includes a ridge and a weight body, the ridge is connected between the axle and the weight body. The two covers are respectively connected to the reception members to cover the two respective spaces. The weights are rotatable during using the dumbbell and the rotation exercises more muscles of the user's body.
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