Roller skate hub cap

Claim 1

A NON-ROTATING HUB CAP FOR ROLLER SKATE WHEELS MOUNTED ON THREADED AXLES, COMPRISING A DOME SHAPED CIRCULAR PLATE WITH A CENTRALLY LOCATED HOLE THERETHROUGH, THE CONVEX SURFACE OF SAID PLATE BEING SMOOTH FOR RECEIVING THEREON DECALS AND THE LIKE, A CYLINDER HAVING A THREADED PASSAGE IN ITS INNER END CONCENTRIC WITH THE LONGITUDINAL AXIS OF SAID CYLINDER FOR RECEIVING THE SKATE AXLE AND HAVING A THREADED PASSAGE IN ITS OUTER END SEPARATED FROM SAID FIRST PASSAGE BY A PARTITION, THE PORTION OF THE CYLINDER CONTAINING THE LAST MENTIONED PASSAGE BEING SPLIT LONGITUDINALLY FROM THE OUTER END OF SAID CYLINDER TO SAID PARTITION, A CYLINDER WITH AN INTERNAL BORE EQUAL IN DIAMETER TO THE DIAMETER OF SAID FIRST MENTIONED CYLINDER MOUNTED ON SAID PLATE ON THE SURFACE OPPOSITE TO SAID CONVEX SURFACE IN THE CENTER OF THE PLATE AND EMBRACING SAID FIRST MENTIONED CYLINDER AT THE SPLIT PORTION, AND A TAPERED SET SCREW IN THE PASSAGE IN THE SPLIT PORTION OF SAID FIRST MENTIONED CYLINDER FOR PRESSING THE SIDES OF SAID SPLIT PORTION AGAINST THE INTERNAL SIDES OF SAID SECOND MENTIONED CYLINDER.