| 摘要 |
Transmission with a ring (1') or belt nipped between two rotating elements (3, 2') of which at least one is cone-shaped. The rotating elements have two parallel lines (A'-A'', B'-B'') at their closest point. The ring encompasses one of the rotating elements and directly transfers the power from the drive to the driven element by means of friction. The ring remains in a plane orthogonal to the parallel lines which can shift to a new point along the parallel lines by a controlling mechanism (5) which travels back and forth parallel to those parallel lines. Thus the ratio of the cross section of the two rotating elements changes and the device constitutes an infinite speed transmission. If one of the rotating elements is cylindrical instead of cone-shaped, better traction may be achieved where the ring (1') touches the cylinder (2'') through a wider contact surface or else through a geared tooth contact.
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