| 摘要 |
<p>A quick release structural fastener for use e.g. in erecting temporary gantries comprises a stud (4) having a threaded portion (5) at one end thereof on which a self-locking nut (6) is mounted, and a cross pin (7) at the other end thereof. The cross pin (7) is a clearance fit through a slot provided in a receptacle (8) and after insertion through the slot may be rotated through 90<o> by a tommy bar (12) to move the cross pin out of register with the slot. Nut (6) may then be tightened to clamp structural members (2,3) between the cross pin (7) and receptacle (8) on the one hand and the nut (6) and a washer (16) on the other hand. A metal grommet (15) resists shear movement of the members (2,3).</p> |
