20140082898 | Nut and screw combination - A clamp having a pair of clamping tangs hinged together at one end and connectable together at the other end by means of a screw and nut. The screw has a main threaded section for tightening of the nut onto a seat on a tang. It also has an unthreaded section of shaft, over which the nut can move freely. At the distal end of the screw is a further short threaded section, to retain the nut on the screw, when disconnected from the main threaded section. The nut can be removed totally from the screw by engaging with the short threaded section, and rotating to disengage. The to other end of one tang having a clevis into which a crossbar on the screw connects, the other tang also having a clevis into which the screw pivotally fits, the upper surface of the clevis providing a seat for the nut. | 03-27-2014 |