| 摘要 |
In an infinitely variable transmission wherein two toric traction discs are rotatably supported in a housing opposite one another so as to define therebetween a toric cavity in which at least two motion transmitting traction rollers are disposed in engagement with the toric discs and supported by pivot trunnions, each pivot trunnion is provided with a single support roller disposed on a track section and has an axial control end which is supported so as to be slightly movable in a plane normal to the axis of the toric discs and means are provided for controllably moving the trunnion control ends in unison for initiation of a transmission ratio change.
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