Track assembly for endless track vehicle

Claim 1

THE COMBINATION OF A TRACK ASSEMBLY AND A DRIVING SPROCKET FOR ENGAGING SAID TRACK ASSEMBLY, (A) THE TRACK ASSEMBLY COMPRISING (I) A PLURALITY OF GROUSER BARS EACH EXTENDING ACROSS THE TRACK ASSEMBLY AND ARRANGED PARALLEL TO EACH OTHER IN SPACED APART RELATION ALONG THE TRACK ASSEMBLY, (II) AND A PLURALITY OF RIGID LINKS INTERCONNECTING SAID GROUSER BARS, (B) THE DRIVING SPROCKET COMPRISING (III) AT LEAST ONE SET OF RADIALLY PROJECTING DRIVING TEETH EXTENDING CIRCUMFERENTIALLY AROUND THE PERIPHERY OF THE SPROCKET, SAID TEETH BEING SPACED APART TO DEFINE BETWEEN THEM CIRCUMFERENTIALLY EXTENDING SPROCKET SURFACES WIDER THAN THE WIDTH OF THE GROUSER BARS, (IV) A GUIDE SECTION DISPLACED AXIALLY FROM SAID SET, (V) AND A SET OF RADIALLY PROJECTING GUIDE TEETH EXTENDING CIRCUMFERENTIALLY AROUND SAID GUIDE SECTION, SAID GUIDE TEETH PROJECTING RADIALLY BEYOND THE DRIVING TEETH, (VI) THE RELATIVE POSITIONING OF THE GUIDE AND DRIVING TEETH BEING SUCH THAT, DURING NORMAL FORWARD DRIVING WITH POWER TRANSFER FROM SPROCKET TO TRACK ASSEMBLY, SAID DRIVING TEETH EACH ENGAGE A GROUSER BAR AND SAID GUIDE TEETH PROJECT BETWEEN GROUSER BARS OUT OF NORMAL CONTACT THEREWITH, AND, DURING CHECKED FORWARD DRIVING WITH POWER TRANSFER FROM TRACK ASSEMBLY TO SPROCKET, THE TRACK ASSEMBLY SLIDES FORWARD WITH SAID GROUSER BARS SLIDING ON SAID SPROCKET SURFACES TO COME TO BEAR WITH A FIRST PART OF EACH GROUSER BAR AGAINST A RESPECTIVE DRIVING TOOTH AND WITH A SECOND PART OF EACH GROUSER BAR AGAINST A RESPECTIVE GUIDE TOOTH.