Importance

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Abstract

An apparatus is disclosed comprising a bolt having a shaft which includes a tapered section and a spiral insert which can be placed over the tapered section of the shaft and thereby fixed to the bolt. The spiral insert may be a spring. The bolt may include a bolt head and may have a uniform section which has a uniform diameter. The apparatus may further include a nut which has a tapered inner chamber such that the nut can be placed over the spiral insert to fix the nut to the spiral insert and to thereby fix the nut to the bolt. The tapered section may be conical in shape and may have a first diameter which tapers to a second diameter which is smaller than the first diameter. A method I also disclosed comprising the steps of creating a tapered section on an end of a bolt and pressing a spiral insert over the end and over the tapered section. The step of creating a tapered section on the end of the bolt may include pressing the bolt into a conical mold. The method may also include creating a tapered inner chamber in a nut by reaming a nut with a previously uniform inner chamber. The bolt may be two sided and may have a first tapered section and a second tapered section over which first and second spiral inserts may be provided. A first rod and a second rod may be placed over the first and second spiral inserts.

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First Claim