Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
October 9, 2007
0Patent Application Number
108336310
Date Filed
April 26, 2004
0Patent Citations Received
Patent Primary Examiner
Patent abstract
A variable resistance physical exercise apparatus is provided which provides improved features over prior art devices in that it is more compact, provides a linear resistance profile to the user and provides a variety of modes of operation. The device comprises a motor driven bi-directional linear translation mechanism to vary the effective length of a lever arm and therefore vary the weight of resistance to the user. An alternative embodiment includes a spring winder drum pulley combination.
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