Patent ID: 7335130

Claim:
A continuously variable transmission, comprising: a casing; an input disk and an output disk having inner surfaces respectively and rotatably supported concentrically with each other in the casing in such a manner that the inner surfaces are opposed to each other; a plurality of power rollers each held between the input and output disks; a plurality of trunnions each having a pair of pivot shafts disposed at positions twisted with respect to a center axis of the input and output disks and concentric with each other, the trunnion supporting the associated power roller so as to be rotated; a drive device for shifting the trunnions in the axial directions of the pivot shafts; a pair of yokes for supporting the pivot shafts of each of the trunnions so as to be swung and shifted in the axial direction thereof, the yokes being flat plates and swingable according to the shifting movement of the associated trunnion; and, a pair of opposing members each disposed to be opposed to the associated yoke, wherein each of the yokes includes a projection portion contacted with the associated opposing member, the projection portion being the fulcrum of the swinging movement of the associated yoke, and wherein each of the projection portions projects in a direction that intersects with a plane of the yoke.