Variable diameter v-belt pulley

Claim 1

A VARIABLE DIAMETER V-BELT PULLEY COMPRISING ADJACENT COAXIAL PULLEY MEMBERS HAVING OPPOSITELY FACING RIMS ADAPTED TO ENGAGE OPPOSITE SIDES OF A V-BELT TRAINED ABOUT THEM, MEANS FOR CONSTANTLY BIASING SAID MEMBER TOWARD ONE ANOTHER AGAINST THE TENSION OF SAID BELT, MEANS FOR MOUNTING A FIRST OF SAID MEMBERS FOR ROTATION ON A FIXED AXIS, AND ANTI-FRICTION MEANS INTERCONNECTING SAID MEMBERS FOR ROTATION TOGETHER IN CONSTANTLY FIXED ANGULAR RELATION AND YET FOR FREE RELATIVE MOVEMENT PARALLEL TO SAID AXIS, SAID ANTI-FRICTION MEANS INCLUDING BEARING SOCKET MEANS IN ONE OF SAID MEMBERS, EACH SAID SOCKET MEANS PRESENTING AN INWARDLY FACING TUBULAR SURFACE EXTENDING PARALLEL TO THE AXIS OF ROTATION OF SAID MEMBERS, BEARING CORE MEANS FIXED TO THE OTHER OF SAID MEMBERS AND EXTENDING THROUGH AND BEYOND SAID SOCKET MEANS, EACH SAID CORE MEANS PRESENTING AN OUTWARDLY FACING BEARING SURFACE PARALLEL AND SYMMETRICAL TO SAID SURFACE OF THE RELATED SOCKET MEANS, METRICAL TO SAID SURFACE OF THE RELATED SOCKET MEANS, SAID OPPOSITELY FACING SURFACES OF EACH SAID CORE MEANS AND THE RELATED SOCKET MEANS, WHEREBY SAID MEMBERS ARE FREELY MOVABLE TOWARD AND AWAY FROM ONE ANOTHER UNDER FORCES APPLIED TO THEM BY SAID BELT AND SAID BIASING MEANS.