Motion transmitting means

Claim 1

A MOTION TRANSMITTING MEANS FOR THE TRANSMISSION OF ROTARY MOTION COMPRISING A PAIR OF SHAFT, A PLURALITY OF FIRST MEMBER, AND A PLURALITY OF SECOND MEMBERS HAVING A PERIPHERY DEFINING A CIRCLE AND AN ANNULAR TAPERED PORTION CONVERGING TOWARD THE PERIPHERY THEREOF, SAID FIRST AND SECOND MEMBERS BEING ALTERNATELY ARRANGED IN ENGAGEMENT WITH EACH OTHER FOR THE TRANSMISSION OF ROTARY MOTION THEREBETWEEN AND EXTENDING BETWEEN THE SHAFTS, THE OUTER MEMBERS BEING IN DRIVING ENGAGEMENT WITH THE CORRESPONDIND SHAFT, EACH OF SAID FIRST MEMBERS HAVING A PAIR OF CAVITIES IN OPPOSED PERIPHERAL PORTIONS THEREOF, EACH OF SAID CAVITIES EXTENDING IN A PLANE PERPENDICULAR TO THE PLANE OF THE OTHER CAVITY AND ALONG AN AXIS OF SAID FIRST MEMBER, EACH SECOND MEMBER BETWEEN A PAIR OF FIRST MEMBERS HAVING ITS ANNULAR PORTION RECEIVED IN A CAVITY IN EACH OF SAID PAIR OF MEMBERS FOR RELATIVE MOVEMENT THEREIN WITH RESPECT TO SAID FIRST MEMBERS, SAID CAVITIES HAVING A TAPERED CONFIGURATION CONFORMING TO AND MATING WITH SAID TAPER OF SAID SECOND MEMBERS, SAID CAVITIES OF SAID FIRST MEMBER AND SAID SECOND MEMBERS PROVIDING CONTACTING WALL COOPERATING TO CONFINE THE MOVEMENT OF SAID SECOND MEMBERS RELATIVE TO SAID FIRST MEMBERS IN THE PLANES OF SAID CAVITIES AND TO GUIDE SAID SECOND MEMBERS FOR UNLIMITED ROTATIONAL MOVEMENT SO THAT ENTIRE CIRCUMFERENCE OF EACH OF SAID SECOND MEMBERS IS MOVABLE THROUGH A CAVITY RECEIVING THE SAME, SAID SHAFTS BEING MAINTAINED UNDER AXIAL COMPRESSION TO MINIMIZE BACKLASH BETWEEN SAID MEMBERS.