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A gear driven continuously variable transmission including an epicyclic cone in mesh with an axially slidable nonrotating ring gear. The cone and ring gear are enclosed in a housing. An input shaft is journaled in the housing. The cone revolves about the axis of the shaft as it rotates on its own ax

A gear driven continuously variable transmission including an epicyclic cone in mesh with an axially slidable nonrotating ring gear. The cone and ring gear are enclosed in a housing. An input shaft is journaled in the housing. The cone revolves about the axis of the shaft as it rotates on its own axis and is connected to the shaft to convert axial rotation of the input shaft into rotation of an output gear. The ring gear is slidable axially relative to the shaft, and the output gear ratio is varied by the axial position of the slidable ring gear.

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A continuously variable transmission comprising a housing, an input shaft, said input shaft journaled in said housing, a nonrotatable ring gear mounted in said housing, means for shifting said ring gear axially relative to said input shaft, an output gear, a gear cone having an outer conical surface

A continuously variable transmission comprising a housing, an input shaft, said input shaft journaled in said housing, a nonrotatable ring gear mounted in said housing, means for shifting said ring gear axially relative to said input shaft, an output gear, a gear cone having an outer conical surface including teeth meshing with said ring gear and a base, said cone including teeth adjacent to the base of said conical surface in mesh with said output gear, and means for connecting said cone to said input shaft whereby rotation of the input shaft is converted into rotation of said output gear and said ring gear is shiftable axially to vary the ratio of rotation of said input shaft and said output gear, said means connecting said cone to said input shaft including a first input gear rotatably mounted on the input shaft and in mesh with one end of the cone, idler means rotatably mounted on said input shaft for supporting said cone one end in meshing contact with said first input gear whereby rotation of said input shaft causes rotation of said cone, said means connecting said cone to said input shaft including means for providing an alternate power source of rotation of said cone, said alternate rotative source means including a second input gear mounted on said input shaft and adapted to rotate in response to said alternative power source, reduction gear means for connecting said first and second input gears, clutch means mounting said first input gear on said input shaft for making the first input gear nonresponsive to rotation of the input shaft when said second input gear causes the first input gear to rotate at a higher speed of rotation than the input shaft.