Monorail assembly system

Claim 1

A MONORAIL ASSEMBLY SYSTEM SUITABLE FOR TRANSPORTING A PLURALITY OF SELF-DRIVEN PALLET ASSEMBLIES, COMPRISING: AN ENDLESS MONORAIL TRACK PROVIDING WITH A DRIVE SURFACE THEREON; A PLURALITY OF PALLET ASSEMBLIES MOVABLY SUPPORTED ON SAID MONORAIL TRACK; A DRIVING MOTOR RESILIENTLY SUPPORTED ON EACH OF SAID PALLET ASSEMBLIES; A DRIVE WHEEL HAVING A LARGE DIAMETER DRIVE SURFACE ARRANGED TO ENGAGE THE DRIVE SURFACE OF SAID MONORAIL TRACK AND A SMALLER DIAMETER DRIVE SURFACE, WITH SAID DRIVE WHEEL BEING ENERGIZED BY SAID DRIVING MOTOR; A RAMP SECURED TO SAID MONORAIL TRACK AND HAVING A SURFACE AT A LOCATION WHICH WILL ENGAGE THE SMALL DIAMETER DRIVE SURFACE DURING PASSAGE OF SAID DRIVE WHEEL THEREBY AND OF A THICKNESS SUFFICIENT TO DISENGAGE THE LARGE DIAMETER DRIVE SURFACE FROM THE MONORAIL TRACK DRIVE SURFACE; MEANS FOR STOPPING A PALLET ASSEMBLY AT A WORK STATION; A SPRING TORSION BAR LEVER ON EACH OF SAID PLURALITY HAVING A WORK SURFACE POSITIONED TO ENGAGE A LEADING PALLET ASSEMBLY; AND A BRAKE SHOE OPERABLE BY SAID LEVER TO ENGAGE SAID DRIVE WHEEL FOR OVERCOMING THE DRIVING FORCE WHEN A TRAILING PALLET ASSEMBLY TORSION BAR LEVER ENGAGES A STOPPED ONE.