| 摘要 |
An infinitely variable traction drive variator comprising at least one pair of toroidal discs with torque-transmitting traction rollers situated between the discs. As one disc drives the other, the effective radius of the point of contact of the rollers on one disc is decreased and the effective radius of the point of contact of the rollers with the other disc increases. The rollers are rotatably mounted in a trunnion which is pivotally mounted on a gimbal frame, which in turn is pivotally mounted on a relatively stationary gimbal support. Provision is made for adjusting the angularity of the frame about the axis of the discs, thereby creating an angular offset for the rollers, which results in a change of the effective radius of the contact at each disc.
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