| 摘要 |
A clamping and releasing mechanism includes a clamping and releasing assembly and a control member configured for effecting operation of the assembly. The assembly includes a collet, a biasing member, a rod member, and a retainer affixed to the rod member such that movement of the rod member relative to the collet causes a variation in the biasing force exerted by the biasing member. When the control member is moved in a first direction, the control member causes the rod member to move in a first direction relative to the collet and move the first part away from the second part. When the control member is moved in an opposite direction, the biasing member causes the rod member to move in an opposite direction and move the first part toward the second part. The mechanism is made of a few simple components, requires little maintenance and is self-contained.
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