| 摘要 |
A mechanism for transmitting torque from one shaft to another shaft includes a formation attached to one shaft, the formation defining a plurality of cylindrical surfaces each having radius R, the axes of the cylindrical surfaces being parallel and disposed at angularly spaced locations about a circle of radius M, each cylindrical surface is engaged by a cylindrical bearing formation attached to the other shaft, each bearing formation having a radius r and being disposed in similar angular relationship to the cylindrical surfaces about a circle of axis inclined at angle to the axes of the cylindrical surfaces, the radius of the circle upon which the bearing formations are disposed being equal to M/(1+cos) and the radius R of the cylindrical surfaces being equal to r+M(1-cos)/(1+cos).
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