Composite belt drive

Claim 1

A POWER TRANSMISSION SYSTEM COMPRISING IN COMBINATION, A PLURALITY OF PULLEY-SPROCKETS, EACH OF SAID PULLEYSPROCKETS INCLUDING A HUB, AN ANNULAR SHEAVE DISPOSED AROUND SAID HUB, SAID SHEAVE HAVING A PAIR OF LATERAL FLANGES DEFINING AN ANNULAR GROOVE AROUND THE OUTER PERIPHERY THEREOF, A PLURALITY OF CIRCUMFERENTIALLY SPACED TEETH CARRIED BY SAID SHEAVE AND DISPOSED WITHIN SAID GROOVE, A COMPOSITE POWER TRANSMISSION BELT INCLUDING ENDLESS FLEXIBLE BAND HAVING AN INNER RIM AND AN OUTER RIM, A CONVOLUTED RESILIENT MEMBER PARTIALLY EMBEDDED IN SAID BAND, A PLURALITY OF THE CONVOLUTIONS OF SAID RESILIENT MEMBER PARTIALLY PROJECTING FROM THE OUTER RIM OF SAID BAND, TWO OF SAID PULLEY-SPROCKETS BEING ARRANGED IN AN OPPOSED POSITION WHEREIN THE ROTATION CENTERS OF SAID PULLEY-SPROCKETS LIE ON A PLANE NORMAL TO SAID BELT, ONE OF SAID TWO PULLEY MEMBERS BEING IN DRIVING ENGAGEMENT WITH THE INNER RIM OF SAID BAND AND THE OTHER OF SAID TWO PULLEY-SPROCKETS BEING IN DRIVING ENGAGEMENT WITH THE OUTER RIM OF SAID BAND.