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Adjustable diameter bolt assembly

  • US 5,224,806 A
  • Filed: 01/03/1992
  • Issued: 07/06/1993
  • Est. Priority Date: 01/03/1992
  • Status: Expired due to Term
First Claim
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1. In a self-retaining bolt assembly including a bolt having an enlarged head at one end, a threaded section at the other end and a shank portion between the head and the threaded section, the bolt being adapted to be inserted through aligned apertures in a pair of abutting panels with the head on the access side of said panels, the shank portion including a pawl disposed in a hole in the shank portion movable from a first position into said hole to a second position abutting against the blind side of the panels in which the bolt may be inserted to hold the bolt in a hold-out position with respect to the panels, the pawl being adapted to be disengaged from abutment with the panels whereby the bolt can be removed from the aligned apertures, the threaded section being adapted to be threaded to a nut on the blind side of said panels, the improvement which comprises:

  • a plurality of bushing segments encircling the shank portion of said bolt, one of said segments being disposed adjacent said threaded section and having a hole therethrough receiving said pawl therethrough; and

    said nut having a main threaded body portion and a generally cylindrical skirt portion extending toward said threaded section and tightened thereon forcing said one of said segments toward said bolt head whereby said segments are adapted to fill the spacing between said bolt shank portion and the walls of said aligned apertures.

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