VEHICLE
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Abstract
A VEHICLE WHICH INCLUDES A FRAME, A DRIVE MEANS, AND AN ELONGATED MOVABLE TRACK MOUNTED ON THE FRAME AND DRIVEN BY THE DRIVE MEANS FOR MOVEMENT RELATIVE TO THE FRAME TO MOVE THE FRAME OVER THE GROUND OR OTHER SURFACE. THE ELONGATED TRACK IS A RIGID STRUCTURE HAVING A PAIR OF SPACED, GENERALLY PARALLEL ELONGATED RUN PORTIONS JOINED BY A PAIR OF GENERALLY ARCUATE END PORTIONS. THE TRACK IS MOUNTED ON THE FRAME FOR PIVOTING MOVEMENT RELATIVE TO THE FRAME ABOUT A HORIZONTAL AXIS, PREPARABLY THROUGH A FULL 360 DEGREES, SO AS TO ACCOMMODATE AN IRREGULAR TERRAIN. THE TRACK HAS AN ELONGATED, GENERALLY VERTICALLY DISPOSED RECESS BETWEEN THE ELONGATED RUN PORTIONS AND ARCUATE END PORTIONS AND EXTENDING LONGITUDINALLY GENERALLY IN THE SAME DIRECTION AS THE ELONGATED TRACK MEANS. THE RECESS IS BOUNDED BY A CONTINOUS RACK GEAR STRUCTURE AND A DRIVEN GEAR WHEEL IS MOUNTED ON THE FRAME AND MOVES ALONG THE RACK GEAR, WITH THE TRACK PIVOTABLE ABOUT THE GEAR WHEEL.
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