Patent ID: 6499925
Filing Date: 2002-12-31
Classification: F16B

Abstract:
In a fastener assembly including a pin having a head at one end, a cylindrical shank integral with the head, and a threaded shaft extending from said shank, said threaded shaft comprises:spaced threaded portions, each of which having a pair of flanks at an approximate angle of 60Â° each; said pair of flank being truncated and defining an outer major diameter D1, the imaginary point where said flanks would meet when extended to an apex being defined at point D; opposing flank of adjacent spaced threaded portions further defining a root diameter d1, the imaginary point where said opposing flanks of adjacent spaced threaded portions would meet being defined at point d; the distance between D and d being defined by H and the distance between D1 and d1 being defined by h; said distance h being about 55% to 65% of the distance H; and said root diameter being continuous and having a constant radius; a nut having a main body portion with a threaded throughbore threadably mounted on said threaded shaft of said pin, the thread of said nut formed to mate with the thread of said pin, said nut having an outer periphery remote from the shaft of said pin configured irregularly for engagement by a like configured installation tool.