Female fastener component for bolt

Claim 1

MEANS PROVIDING A THREADED RECEPTACLE ADAPTED TO BE SECURED TO ONE OF TWO PARTS TO BE FASTENED TOGETHER BY A HEADED BOLT EXTENDING THROUGH ALIGNED HOLES IN THE PARTS AND HAVING THE THREADED END PORTION OF ITS SHANKS ENGAGED IN THE RECEPTACLE, SAID MEANS COMPRISING: A SLEEVE HAVING A BORE OF A DIAMETER TO FREELY SLIDABLY RECEIVE THE SHANK OF THE BOLT AND HAVING A LENGTH LESS THAN THAT OF THE BOLT, SO THAT THE THREADED END PORTION OF THE BOLT PROJECTS BEYOND ONE END OF THE SLEEVE WHEN THE OTHER END OF THE SLEEVE IS NEAR THE HEAD OF THE BOLT, SAID SLEEVE HAVING A RADIALLY PROJECTING SHOULDER AT ITS SAID OTHER END WHICH IS ENGAGEABLE WITH THE PART TO HOLD THE SLEEVE AGAINST DISPLACEMENT IN ONE AXIAL DIRECTION RELATIVE TO THE PART AND THE REMAINDER OF THE SLEEVE HAVING A UNIFORM EXTERNAL SHAPE AND SIZE ALONG SUBSTANTIALLY ITS ENTIRE LENGTH SO AS TO BE ADAPTED TO PASS SNUGLY THROUGH A CLOSELY FITTING HOLE IN A PART, AND HAVING SERRATIONS ON ITS EXTERIOR SURFACE, ALONG SUBSTANTIALLY THE FULL LENGTH THEREOF, WHICH ARE ADAPTED TO BITE INTO THE PART AROUND THE EDGE OF THE HOLE THEREIN AND PREVENT ROTATION OF THE SLEEVE RELATIVE TO THE PART; A NUT MEMBER HAVING A THREADED BORE IN ONE END PORTION THEREOF WHICH IS COOPERABLE WITH THE THREADED END PORTION OF A BOLT SHANK AND HAVING A COAXIAL COUNTERBORE WHICH OPENS TO ITS OTHER END, WHICH IS OF UNIFORM DIAMETER ALONG SUBSTANTIALLY ITS ENTIRE LENGTH AND WHICH IS SIZED TO SNUGLY RECEIVE THE FIRST DESIGNATED END PORTION OF THE SLEEVE, WHEREBY THE SLEEVE FRICTIONALLY HOLDS THE NUT MEMBER COAXIALLY WITH A HOLE IN A PART IN WHICH THE SLEEVE IS RECEIVED AND SECURES THE NUT MEMBER AGAINST ROTATION AND AXIAL MOTION IN SAID ONE DIRECTION RELATIVE TO THE PART, SAID OTHER END OF THE NUT MEMBER PROVIDING AN ABUTMENT ENGAGEABLE WITH THE PART TO HOLD THE NUT MEMBER AGAINST DISPLACEMENT IN THE OTHER AXIAL DIRECTION.