| 摘要 |
A clamp having a pair of elongated, crossed clamping parts crossed on a pivotal axis for swinging movement above said axis and rocking movement about a transverse axis. The parts have camming members on lever portions thereof which co-act and spread the lever portions and move clamping jaws into engagement when the parts are swung about the pivotal axis from an angularly disposed position to a position of substantial parallelism.
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