Decelerator

Claim 1

IN A ROLLER CONVEYOR HAVING A SERIES OF IDLER ROLLERS DISPOSED IN SEQUENTIAL PARALLEL RELATION FOR TRANSFERRING A LOAD OVER SAID ROLLERS, THE COMBINATION OF A PLURALITY OF DECELERATOR ROLLERS SPACED AMONG SAID IDLER ROLLERS, EACH SAID DECELERATOR ROLLER BEING CONSTRUCTED AND ARRANGED TO HAVE A NON-SLIP LOAD BEARING SURFACE, AND A DECELERATOR UNIT COMPRISING A SHAFT, A ROTOR CYLINDER SECURED TO SAID SHAFT, A STATOR CYLINDER DISPOSED CONCENTRICALLY OVER SAID ROTOR CYLINDER AND HAVING FLUID TIGHT BEARINGS AT EACH END THEREOF ON SAID SHAFT, SAID CONCENTRIC STATOR AND ROTOR CYLINDERS HAVING COOPERATING DAMPING PERIPHERAL SURFACES SPACED FROM ONE ANOTHER SO THAT INCREASING RELATIVE VELOCITY BETWEEN SAID SURFACES PRODUCES A DAMPING EFFECT THEREBETWEEN, MEANS ON SAID CONVEYOR FOR SUPPORTING SAID SHAFT ON THE SAME AXIS WITH A SELECTED ONE OF SAID DECELERATING ROLLERS, MEANS FOR CONNECTING SAID SHAFT TO SAID AXIALLY ALIGNED DECELERATOR ROLLER, MEANS SECURING SAID STATOR CYLINDER IN FIXED ANGULAR POSITION ON SAID CONVEYOR, AND A DAMPING FLUID DISPOSED BETWEEN THE PERIPHERAL DAMPING SURFACES OF SAID CYLINDERS OF A VISCOSITY CHOSEN TO PRODUCE SAID DAMPING EFFECT.