| 摘要 |
A mechanical activation system has a first activation member, a second activation member, an activation zone, and a non-slip zone. The first activation member has a first plurality of teeth, and the second activation member has a second plurality of teeth. The first plurality of teeth is capable of intermeshing with the second plurality of teeth. The activation zone includes a first portion of the first plurality of teeth and a first portion of the second plurality of teeth. The first portion of the first plurality of teeth and the first portion of the second plurality of teeth include teeth having continuous tips. The first non-slip zone includes a second portion of the first plurality of teeth or a second portion of the second plurality of teeth. The second portion includes a tooth having a discontinuous tip.
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