| 摘要 |
A frictional transmission chain comprises an endless transmission chain formd from link plates and link plate connection pins. Frictional blocks each have a hollow interior through which a portion of the endless transmission chain extends, each having inner lateral surfaces with holes for receiving opposite ends of at least one of the connection pins, each having inclined trapezoidal outer lateral surfaces. Frictional transmission contact surfaces of a V-shaped configuration are transversely symmetrical, about a centrally disposed recessed portion. Power is transmitted along the chain only by the link plates and connection pins of the endless chain. Each of the blocks transmits power only between its connection pin and the pulley.
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