| 摘要 |
The friction clutch unit described has two clutches, of which the second is normally disengaged. Each clutch comprises a clutch disc disposed coaxially between a pressure plate and a friction surface, the arrangement being such that the first and second pressure plates are both disposed between the clutch discs and a lever linkage for operating the second clutch acts on the corresponding pressure plate so as to move it away from the other pressure plate during the operative engagement of the respective clutch.
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