By a News Reporter-Staff News Editor at Journal of Engineering — A patent by the inventors Schaser, Robert R. (Hampshire, IL); Dechant, Daniel A. (Richmond, KY), filed on December 6, 2011, was published online on November 25, 2014, according to news reporting originating from Alexandria, Virginia, by VerticalNews correspondents.
Patent number 8894334 is assigned to Illinois Tool Works Inc. (Glenview, IL).
The following quote was obtained by the news editors from the background information supplied by the inventors: “It is known to capture a fastener, such as, for example, a bolt in a first component, such as, for example, a sleeve that subsequently is attached with the bolt to another component in an assembly. A known way to capture the fastener in the first component is to create a subassembly using a ring bolt adapted to be retained in the first component. Known ring bolts have a solid, consistent diameter ring beneath the head of the bolt, between the head of the bolt and the rolled, helically threaded portion of the bolt. Known ring bolts are provided with a ring on the diameter of the shank of the bolt, the ring being a solid, circumferential ring around the shank. The bolt capture creates an assembly between the bolt and a second component, such as a sleeve having indentations on the outside creating projections on the inside that engage the ring on the bolt.(…)
via Illinois Tool Works : Patent Issued for Helical Rolled Ring Bolt | 4-Traders.