Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Chin-Long Chen0
Date of Patent
October 11, 2011
0Patent Application Number
127962680
Date Filed
June 8, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dumbbell assembly includes a tube, a rod rotatably received in the tube, and two rotary units respectively connected to two ends of the rod. Each rotary unit has a wing to which multiple weight members are connected. The rod is rotated relative to the tube and the wings together with the weight members are rotated to generate centrifugal forces which apply to the user's muscles.
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