| 摘要 |
A vacuum-operated clamp is provided, the clamp comprising a vacuum cylinder composed of a cylinder body, a cylinder piston having a piston rod and a resilient and sealing piston head or O-rings, a single pair of toothed jaws which are mounted on the piston rod and on the cylinder body, and a control valve mounted in the end of the cylinder body, whereby the stroke and the clamping force of the clamp may be controlled. The clamp body may be fabricated of plastic or metal. The clamp may further include a finger hole in one jaw in order to aid in operating the clamp. The vacuum-operated clamp disclosed requires no external source of vacuum.
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