Patent ID: 8006796

Claim:
A personal vehicle comprising: a fore section comprising: a frame; a transaxle mounted to said frame of said fore section; and a pair of wheels attached to said transaxle of said fore section; an aft section comprising: a frame horizontally articulated relative to said frame of said fore section; a transaxle vertically articulated relative to said frame of said aft section; and a pair of wheels attached to said transaxle of said aft section, each of said pair of wheels being vertically articulated relative to said frame of said aft section; a seat disposed on said frame of said fore section, said seat having an armrest; a means for interfacing a user to directional mobility controls, said means being mounted to said fore section; a motor mounted to said frame of said aft section; a hydraulic system operatively connected to said motor, said hydraulic system comprising: a hydraulic pump operatively connected to said motor; a hydraulic fluid tank supplying a hydraulic fluid to said hydraulic pump; a first rotovalve operatively connected to said hydraulic pump and to said means; a drive cylinder operatively connected to said first rotovalve, said drive cylinder having a lever activating a movement of said transaxles of said fore and aft sections; a second rotovalve operatively connected to said hydraulic pump and to said means; a steering cylinder operatively connected to said second rotovalve, said steering cylinder operatively connected to said frame of said fore section and said frame of said aft section; and a null valve operatively connected to said lever of said drive cylinder, said null valve activating said drive cylinder so as to bring said transaxles of said fore and aft sections to a stop; a shaft operatively connected to said motor, said shaft positioned in an articulating point between said frame of said aft section and said frame of said fore section, said motor cooperative with said shaft for rotating said shaft; a fender assembly mounted to said fore and aft sections; a transfer bar attached to a top of said fore section; and a rollover structure mounted to said fore and aft sections, said rollover structure comprising: a first section mounted to said frame of said fore section, said first section having a rectangular portion and an hour-glass portion, said rectangular portion positioned above said seat, said hour-glass portion being positioned behind said seat, said first section having a female connection; and a second section mounted to said frame of said aft section, said section having a triangular portion and a rectangular portion, said triangular portion being positioned above said motor, said rectangular portion of said second section being positioned behind said motor.