Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
March 27, 2007
Patent Application Number
10894936
Date Filed
July 20, 2004
Patent Citations Received
Patent Primary Examiner
Patent abstract
Exercise apparatus for resistance training includes a first disk rotational about an axis, a second disk axially aligned with the first disk and resisting rotation about the axis, and a resiliently deformable coupling coupled between the first and second disks and tensionable in a spiral about the axis upon rotation of the first disk about the axis, such that rotation of the first disk about the axis tensions and stretches the coupling along a spiral and is resisted by the second disk.
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