Patent ID: 7946021
Filing Date: 2011-05-24
Classification: F16B,Y10T

Abstract:
1. A method of preventing a double safety fastener from becoming completely disengaged from an end of a threaded rod comprising the following steps: (a) providing a threaded rod with an end; (b) providing a double safety fastener on the threaded rod, the double safety fastener comprising a first fastener with a first uninterrupted threaded bore having a first axis and a second fastener with a second uninterrupted threaded bore having a second axis, the first and second fasteners being pivotally conjoined by a protrusion extending from one of said first and second fasteners and received in a recess interface in the other of said first and second fasteners, the protrusion and recess have an axis parallel to the first and second axis such that the first and second fasteners are capable of pivoting relative to one another; (c) providing a torque to only one of the said first and second fasteners and transferring the torque to the other of the first and second fasteners by way of the conjoined pivot to rotate the double safety fastener and have it progress along the threaded rod; (d) progressing the double safety fastener to the end of the threaded rod and disengaging only the torque receiving one of the first and second fasteners from the end of the threaded rod and have it pivot along the pivot axis and swing away from the threaded rod and leave the other of the first and second threaded fasteners safely engaged with the rod.