Speed-change mechanical transmission

Claim 1

IN A BALANCED FORCE SPEED CHANGER, AN EXTERIOR HOUSING A PAIR OF COAXIAL, AXIALLY SPACED ROTARY DRIVEN MEMBERS IN THE HOUSING CONNECTED WITH EACH OTHER TO HAVE CONCURRENT TURNING MOVEMENT AND EACH HAVING AN IDENTICAL SET OF CIRCUMFERENTIALLY SPACED DRIVEN FACES DISPOSED IN CIRCLES; A NON-TURNING WOBBLE-TYPE DRIVING MEMBER DISPOSED IN THE HOUSING BETWEEN AND COOPERABLE WITH THE SAID DRIVEN MEMBERS AND HAVING A SET OF CIRCUMFERENTIALLY SPACED INCLINED DRIVING FACES ALSO DISPOSED IN A CIRCLE AND ADAPTED TO COOPERATE SIMULTANEOUSLY WITH BOTH SETS OF SAID DRIVEN FACES AT LOCATIONS SPACED 180* APART AT ALL TIMES, THE NUMBER OF DRIVEN FACES IN EACH SET BEING THE SAME AND DIFFERING FROM THE NUMBER OF DRIVING FACES BY A SMALL NUMBER; MEANS INCLUDING A SHAFT IN THE HOUSING, FOR IMPARTING AN ORDERLY CYCLIC WOBBLY MOTION TO THE DRIVING MEMBER TO CAUSE SEQUENTIAL ENGAGEMENT BETWEEN THE FACES OF ALL OF THE SAID SETS WHEREBY THE DRIVEN MEMBERS ARE ROTATABLY ADVANCED AS THE DRIVING MEMBER WOBBLES WITHOUT ROTATION; AND HOLDING MEANS IN AND RIGID WITH THE HOUSING AND ENGAGED WITH THE DRIVING MEMBER, ENABLING THE SAME TO HAVE THE SAID WOBBLY MOTION WHILE HOLDING IT AGAINST TURNING WITH RESPECT TO THE HOUSING, SAID HOLDING MEANS COMPRISING AN ANNULUS DISPOSED RADIALLY INWARD OF THE DRIVEN FACES OF AT LEAST ONE OF THE SAID DRIVEN MEMBERS AND HAVING CRESTS AND TROUGHS DISPOSED IN A CIRCLE, AND FURTHER COMPRISING CRESTS AND TROUGHS ON THE DRIVING MEMBER, COOPERABLE WITH THOSE OF THE ANNULUS, AND FURTHER COMPRISING A CONNECTOR DEVICE DISPOSED RADIALLY OUTWARD OF THE SAID SHAFT, CONNECTING THE ANNULUS TO THE SAID HOUSING.