| 摘要 |
A centrifugal clutch for power saws. The clutch includes a rotating driven centrifugal weight carrier, and a clutch drum which is concentric to the axis of rotation of the carrier. At least one centrifugal weight engages the clutch drum at predetermined speed of the carrier. The centrifugal weight is coupled with at least one return weight in such a manner that the return weight opposes the pressing force of the centrifugal weight when the speed increases over a certain level.
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