Variable speed power transmission

Claim 1

A POWER TRANSMISSION INCLUDING A GEAR BOX, A DRIVE SHAFT ROTATABLY MOUNTED IN SAID GEAR BOX, A DRIVEN SHAFT ROTATABLY MOUNTED IN SAID GEAR BOX, A PRIMARY RING GEAR ROTATABLY MOUNTED TO BE DRIVEN BY SAID DRIVE SHAFT, A SECONDARY RING GEAR ROTATABLY MOUNTED TO DRIVE SAID DRIVEN SHAFT, A PRIMARY PLANETARY GEAR MOUNTED TO REVOLVE WITH SAID PRIMARY RING GEAR AND TO HAVE ITS AXIS RADIALLY ALIGNED WITH THE AXIS OF ROTATION OF SAID PRIMARY RING GEAR, FIRST AND SECOND PRIMARY PINION GEARS ROTATABLY MOUNTED ON SAID AXIS OF SAID PRIMARY RING GEAR AND IN MESHING RELATIONSHIP WITH SAID PRIMARY PLANETARY GEAR, A SECONDARY PLANETARY GEAR MOUNTED TO REVOLVE WITH SAID SECONDARY RING GEAR AND TO HAVE ITS AXIS RADIALLY ALIGNED WITH THE AXIS OF ROTATION OF SAID SECONDARY RING GEAR, FIRST AND SECOND SECONDARY PINION GEARS ROTATABLY MOUNTED ON SAID AXIS OF SAID SECONDARY RING GEAR AND IN MESHING RELATIONSHIP WITH SAID SECONDARY PLANETARY GEAR, A FIRST GEAR TRAIN OPERABLY CONNECTED TO SAID FIRST PRIMARY PINION GEAR AND SAID FIRST SECONDARY PINION GEAR TO CAUSE SAID FIRST AND SECOND PRIMARY PINION GEARS TO ROTATE WITH RESPECT TO EACH OTHER IN A PREDETERMINED GEAR RATIO RELATIONSHIP AND A SECOND GEAR TRAIN OPERABLY CONNECTED WITH SAID SECOND PRIMARY PINION GEAR AND WITH SAID SECOND SECONDARY PINION GEAR TO CAUSE SAID SECOND PRIMARY AND SAID SECOND SECONDARY PINION GEARS TO ROTATE WITH RESPECT TO EACH OTHER IN A PREDETERMINED GEAR RATIO DIFFERENT FROM SAID FIRST PREDETERMINED RATIO, AND CONTROL MEANS CONTROLLING THE SPEED OF SAID FIRST AND SECOND GEAR TRAINS WITH RESPECT TO EACH OTHER CONSTITUTED AS A FIRST CONTROL SHAFT DRIVABLY CONNECTED TO SAID FIRST GEAR TRAIN AND MOUNTED TO ROTATE IN RESPONSE TO ROTATION OF SAID FIRST GEAR TRAIN, A SECOND CONTROL SHAFT DRIVABLY CONNECTED TO SAID SECOND GEAR TRAIN AND MOUNTED TO ROTATE IN RESPONSE TO THE ROTATION OF SAID SECOND GEAR TRAIN AND MEANS CONNECTED TO SAID CONTROL SHAFTS FOR TRANSMITTING ROTATIVE POWER THEREBETWEEN.