Fastening device

Claim 1

A FASTENING DEVICE COMPRISING A NIPPLE HAVING AT ONE END A FLANGE AND AT THE OTHER END TWO PARALLEL PROJECTING FINGERS EACH HAVING THEREIN A LONGITUDINAL SLOT CLOSED AT BOTH ENDS, AN OBLONG BODY BETWEEN SAID FINGERS AND HAVING AT ITS MIDSECTION OPPOSITELY PROJECTING TRUNNIONS ROTATABLY AND SLIDABLY RECEIVED IN SAID SLOTS TO RETAIN SAID OBLONG BODY ROTATABLY BETWEEN SAID FINGERS FOR PIVOTAL MOVEMENT ABOUT AN AXIS PERPENDICULAR TO THE AXIS OF SAID NIPPLE BETWEEN A FIRST POSITION IN WHICH SAID OBLONG BODY IS APPROXIMATELY ALIGNED WITH SAID NIPPLE AXIS AND A SECOND POSITION IN WHICH SAID OBLONG BODY EXTENDS TRANSVERSELY OF SAID NIPPLE AXIS AND PROJECTS LATERALLY TO BOTH SIDES OF SAID FINGERS, AND FOR TRANSLATORY MOVEMENT LENGTHWISE OF SAID FINGERS WHEN SAID OBLONG BODY IS IN SAID TRANSVERSE POSITION, SAID OBLONG BODY HAVING A TRANSVERSE THREADED BORE WHICH IS ALIGNED WITH THE AXIS OF SAID NIPPLE WHEN SAID OBLONG BODY IS IN SAID TRANSVERSE POSITION AND IS ENGAGEABLE BY A THREADED SCREW WHEN SAID OBLONG BODY IS IN SAID TRANSVERSE POSITION TO DRAW SAID OBLONG BODY TOWARD SAID FLANGE TO A THIRD POSITION AND MEANS FOR RETAINING SAID OBLONG BODY IN SAID THIRD POSITION WHEREBY SAID SCREW CAN BE REMOVED AND ANOTHER SCREW CAN BE SCREWED INTO SAID OBLONG BODY WHILE SAID OBLONG BODY IS HELD IN SAID THIRD POSITION BY SAID RETAINING MEANS, SAID RETAINING MEANS FORMING A PORTION OF THE WALLS OF THE SLOT AND BEING SPACED FROM THE END OF THE SLOT WHICH IS NEAREST THE FLANGE A DISTANCE SUFFICIENT TO PERMIT LIMITED MOVEMENT OF THE BODY TOWARD THE END OF THE SLOT REMOTE FROM THE FLANGE.