| 摘要 |
A thermally responsive clutch for connecting a driving shaft to a driven pulley including cylindrical clutch surfaces on the shaft and the pulley with a wrapping coil spring in engagement with both surfaces. An engaging pawl is mounted adjacent said spring clutch element and a pair of thermally responsive bimetallic washers in contact with said pawl act to cause said pawl to cause said spring to connect said shaft and pulley only within a predetermined temperature range.
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