Is a
Patent attributes
Patent Jurisdiction
Patent Number
Date of Patent
December 4, 2007
Patent Application Number
11135879
Date Filed
May 23, 2005
Patent Citations Received
Patent Primary Examiner
Patent abstract
A dual planetary gear transmission having two planetary gear sets rotatably mounted on a common grounded axle wherein sun gears span both planetary gear sets providing a system for gear movement to be transferred between both gear sets whereby additional input allows modification to a differential relationship between the main transmission members. The disclosed transmission has many applications, including integration within a weight-generating device.
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