| 摘要 |
<p>Silent trapezoidal chain, consisting of plates of hook shape, fitted together, with sides of truncated conical profile, able to co-operate with the rims of the pulleys. Of simple and economical construction, it can work at very high speed, it does not produce sliding friction, and it is extremely quiet. Suitable for any transmission with special regard to continuous speed variators of automobiles, motorcycles and bicycles. <IMAGE></p> |
