| 摘要 |
A friction clutch assembly including a driving member, a driven member, a reaction member, a pressure plate, release levers pivotally connected to the reaction member at a point between a front surface of the reaction member and the driving member and pressure springs disposed between the reaction member and the release levers such that upon wear of the friction facing an increase in mechanical advantage is used to maintain a substantially constant pressure plate load while the clutch is engaged regardless of clutch facing wear and upon clutch release a decrease in mechanical advantage is used to reduce operator's efforts.
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