| 摘要 |
A pair of jaws, having two sets of mutually perpendicular surfaces which are oriented 45 degrees with respect to the direction of jaw motion. During adjustment the jaws move parallel to each other to accommodate different shank diameters. The opening and closing of the jaws for receiving and clamping a shank is accomplished by an overcenter toggle assembly that produces a combination of parallel and rotational motion which secures the shank against the two mutually orthogonal surfaces of the jaw.
|
