F - Mech Eng,Light,Heat,Weapons – 16 – B
Patent
F - Mech Eng,Light,Heat,Weapons
16
B
85/118, 26/4, 85
F16B 39/284 (2006.01) B60R 13/04 (2006.01) B60R 19/02 (2006.01) B62D 27/06 (2006.01) F16B 5/02 (2006.01) F16B 37/00 (2006.01)
Patent
CA 1307683
ABSTRACT OF THE DISCLOSURE An improved nut is secured to an unthreaded stud which is inserted through a central bore in the nut. The bore includes a guide means which provides alignment guidance during sliding insertion of the stud into the bore. The guide means preferably has an annular configuration with an inner diameter slightly larger than the diameter of the stud so that the initial insertion of the stud does not produce significant frictional resistance. The bore of the nut further includes a helical thread, preferably a single thread turn, which is disposed in the bore axially distinct from the guide means and terminates within the bore adjacent the guide means. The helical thread has a minor diameter smaller than the stud diameter and also projects radially inwardly into the bore further than the guide means. The cold-forms a mating thread impression into the periphery of the stud and the resulting thread impression obstructs any vibrational retraction of the guide means to promote retention of the nut on the stud.
582420
Acument Intellectual Properties Llc
Smart & Biggar
LandOfFree
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