Patent ID: 7690447
Filing Date: 2010-04-06
Classification: A61G,B62D,B62K

Abstract:
1. A device for transporting a human subject over a surface, the device comprising: a platform defining a fore-aft plane, the platform supporting a payload including the human subject; a ground contacting module, including a ground-contacting member movably coupled to the platform, the device including the payload having a center of gravity, the center of gravity having a position defined with respect to the ground-contacting member; a moveably mounted seat for supporting the subject, the seat coupled to the platform to permit variation of the position of the center of gravity in the fore-aft plane by simultaneous translation and rotation of the seat, and a drive, coupled to the ground-contacting module, for delivering power to the ground-contacting module responsive to the position of the center of gravity.