Patent ID: 7581603

Claim:
A powered vehicle ( 10 ) comprising, a circular frame ( 14 ), first and second drive wheels ( 12 ) rotatively coupled to said frame, each of said drive wheels capable of independent powered forward and rearward rotation about a horizontal axis ( 18 ), said first and second drive wheels being revolvable about a vertical axis ( 16 ) which intersects said horizontal axis midway between said first and second drive wheels, said vertical axis disposed generally centered within said circular frame, a handling mechanism ( 60 ) rotatively coupled to said frame for rotation about said vertical axis with respect to said frame, and a turret ( 36 ) rotatable coupled to said frame for rotation about said vertical axis, said handling mechanism non-rotatively mounted to said turret, whereby said first and second drive wheels may be rotated in opposite directions at the same speed causing said frame to rotate about said vertical axis.