| 摘要 |
A swivel adapter ( 26 ) has a base ( 60 ) with an outward facing first side ( 57 ) and a pivot surface ( 55 ) extending from the first side. A Center adapter ( 52 ) is mounted for pivoting motion on the pivot surface and has an outward facing first device connector ( 46 ). A clamp ( 78 ) has a clamp operator ( 80 ) operable to clamp the center adapter on the pivot surface at a desired orientation with respect to the base. A base unit handle ( 34 ) has a clamping mechanism ( 128, 138, 156, 164 ) connected to a body ( 120 ) having two split bores ( 36, 122 ), which is operable to clamp and unclamp the split bores on respective shafts. The clamping mechanism has linkage ( 138, 156 ) connected to a closing handle ( 164 ) to provide a mechanical advantage to the handle during the clamping action.
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