Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Jih-Ming Chen0
Date of Patent
November 1, 2011
0Patent Application Number
128835890
Date Filed
September 16, 2010
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A dumbbell assembly includes at least one bar and a disk is fixedly connected to the at least one bar. The disk has a reception portion. A rotatable unit is engaged with the reception portion of the disk. An arm has an insertion which is connected to the rotatable unit and a disk is connected to the arm. At least one weight member is connected to the wing. The user holds the at least one bar and operates the dumbbell assembly, the wing together with the weight member are rotated about the at least one bar to generate centrifugal forces which exercise the user's muscles.
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