Handicapping device for racing sulkies

Claim 1

A HANDICAPPING DEVICE IN COMBINATION WITH A SULKY HAVING A FRAME AND WHEELS ROTATABLY SUPPORTING THE FRAME, SAID HANDICAPPING DEVICE COMPRISING AN ARM, MEANS PIVOTALLY MOUNTING ONE END OF THE SAID ARM ON SAID FRAME AND ABOUT AN AXIS PERPENDICULAR TO A PLANE CONTAINING ONE OF SAID SULKY WHEELS, A SHAFT PARALLEL TO SAID AXIS AND FIXED TO THE OTHER END OF SAID ARM, A WHEEL INCLUDING A RADIAL DISC AND A RING-SHAPED FLANGE SECURED TO ONE SIDE OF SAID DISC, SAID WHEEL BEING ROTATABLY MOUNTED ON SAID SHAFT, RESILIENT MEANS URGING SAID FLANGE INTO FRICTIONAL ENGAGEMENT WITH ONE OF SAID SULKY WHEELS WITH A CONSTANT PREDETERMINED FORCE, A SUPPORT DISC RIGIDLY SECURED TO SAID SHAFT AND RECEIVED WITHIN SAID RING-SHAPED FLANGE, A BRAKE PAD CARRIED BY SAID SUPPORT DISC, SPRING MEANS URGING SAID BRAKE PAD INTO ENGAGEMENT WITH SAID RADIAL DISC TO IMPOSE A CONTINUOUS AND PREDETERMINED CONSTANT FRICTIONAL DRAG UPON SAID SULKY WHEEL, SAID FLANGE AND RADIAL DISC ENCLOSING THE ENGAGING FRICTIONAL SURFACES OF SAID RADIAL DISC AND FRICTION PAD SO AS TO PREVENT SAID FRICTION SURFACES FROM BEING CONTAMINATED WITH FOREIGN MATERIAL.