Patent ID: 9180564
Filing Date: 2015-11-10
Classification: B23P,F16B,F16C,Y10T

Abstract:
1. A device for securing a cap screw to a first element that is to be attached to a second element, comprising: a cap screw having a threaded portion with a nominal diameter that is greater than a diameter of its shank, and including an anti-creep ring designed to receive the cap screw, one end of which has a first feature suitable for delineating, before the anti-creep ring is engaged in a recess of the first element, a circular area having a first diameter that is greater than the nominal diameter of the threaded portion of the cap screw and, after said anti-creep ring has been engaged in said recess, a circular area having a second diameter that is less than the nominal diameter of the threaded portion but greater than the diameter of the shank, so as to act as a stop for said threaded portion and trap the cap screw in the anti-creep ring while permitting limited movement of the cap screw.