Invention Grant
US08961086B2 Fastener and method of installing same 有权
紧固件和安装方法

Fastener and method of installing same
Abstract:
A fastener comprises a body having an enlarged head at a first end, a tapered ramp at a second end, a cylindrical shank disposed between the enlarged head and the tapered ramp, internal threads, and a cylindrical passage formed through the body between the first and second ends. The fastener further includes a generally cylindrical corebolt having first and second threaded sections separated by a third non-threaded section, the corebolt disposed within the passage of the body and a sleeve having a generally cylindrical passage therethrough and movably disposed over a portion of the corebolt. A nut is in threaded engagement with the corebolt and is disposed adjacent an end of the sleeve. An interface between the corebolt and the nut is configured to resist relative rotation of the nut with respect to the corebolt until the sleeve is in abutment with a workpiece.
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