| 摘要 |
A clutch assembly having a disc pack engageable to approximately synchronize the rotational speed of input and output elements is disclosed. The disc pack has interleaved discs operatively connected to the elements of the clutch assembly. Also operatively connected to the elements of the clutch assembly are a pair of clutch collar gears, one of which is spring-biased. The disc pack is compressed to begin rotational speed synchronization of the input and output elements of the clutch assembly. The gears are urged into engagement before complete synchronization has been achieved. The gears slip against one another until the input and output elements are nearly equal in speed. At this time the gears will positively engage and lock the input and output elements together.
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