Patent ID: 8312606

Claim:
An installation, comprising: a workpiece having an opening; a swaged collar having a first end, a second end, and a main body extending between the first end and the second end, the main body including an inner surface defining a passageway; an inner member having a narrow section, a propping section, and a mandrel section between the narrow section and the propping section; and a radially-expanded outer member positioned in the opening of the workpiece and through which the inner member extends, the inner surface of the collar compressed against at least one locking feature of the expanded outer member to fix the collar and the outer member together, an outer surface of the outer member having a high interference fit with an inner surface of the opening in the workpiece, the propping section of the inner member positioned within the outer member to maintain the high interference fit between the outer member and the workpiece, wherein the outer member includes a head and a tubular body, the tubular body includes a first portion that extends longitudinally in the opening of the workpiece and a second portion that extends longitudinally beyond the workpiece, the first portion of the tubular body is in the expanded state, the second portion of the tubular body is in the unexpanded state, the first portion of the tubular body includes a first internal diameter, the second portion of the tubular body includes a second internal diameter, and the first internal diameter is larger than the second internal diameter.