Nuts especially adapted for thinwall mounting

Claim 1

A NUT IN COMBINATION WITH A CARRIER PART HAVING AN ELONGATED APERTURE THEREIN, SAID NUT HAVING A INTERNALLY THREADED BORE ADAPTED FOR RECEIVING A COUPLING MEMBER WHICH IS TO EXTEND THROUGH THE APERTURE OF SAID PART, SAID NUT COMPRISING AN ELONGATED BASE HAVING A FLAT SURFACE OF A LENGTHWISE DIMENSION SUFFICIENT FOR SPANNING THE MAXIMUM DIMENSION OF SAID APERTURE AND BEING FORMED WITH TAPERED LENGTHWISE EXTREMITIES, AND A GENERALLY OBLONG COLLAR COAXIAL WITH SAID BORE AND HAVING ITS MAXIMUM LATERAL DIMENSION EXTENDING IN THE SAME DIRECTION AS THE MAXIMUM LATERAL DIMENSION OF SAID BASE, THE COLLAR HAVING A PAIR OF OPPOSED, SUBSTANTIALLY FLAT SIDE PORTIONS BEING SPACED APART A DISTANCE LESS THAN THE MINIMUM DIMENSION OF SAID APERTURE AND HAVING DIAGONAL DIMENSIONS IN A PLANE NORMAL TO THE AXIS OF SAID BORE GREATER THAN THE MINIMUM DIMENSION FO SAID APERTURE TO BE SPANNED BY THE BASE, SAID COLLAR BEING PARTIALLY FRUSTO-CONICAL WITH ITS LARGER DIAMETER MORE REMOTE FROM THE BASE AND WITH ITS SMALLER DIAMETER LYING IN THE PLANE OF SAID FLAT SURFACE, THE COLLAR BEING AXIALLY INSERTABLE INTO SAID APERTURE WHEREBY SUBSEQUENT ROTATION OF THE NUT TO TURN THE COLLAR IN THE APERTURE EFFECTS RADIAL DEFORMATION BY CUTTING INTO THE PART AND PROVIDING LOCKING ENGAGEMENT OF THE NUT THEREIN.