| 摘要 |
<p>A speed nut including two mutually hinged jaws, wherein each jaw is hollow on the inside and has half a tapping on one portion of its length and half a tapered recess on the other portion. Both jaws (1) are detachably assembled by means of pins (21,22) on which a ring (24) is slidable. One pin (22) is half as long as the other (21).</p> |
