Patent ID: 8647035

Claim:
An assembly installable in a hole of a workpiece, the assembly comprising: a cage configured and dimensioned to receive and retain nuts having different configurations one at a time, the cage including a first flexible retention element including a first opening; a second flexible retention element including a second opening, the first flexible retention element and the second flexible retention element being spaced apart to receive a nut therebetween; and an abutment portion for lying against the workpiece, the abutment portion defining a throughhole; a retainer including a mounting plate receivable by the cage; and an expandable member connected to the mounting plate and dimensioned to fit into the hole of the workpiece, the expandable member configured to pass through the throughhole of the abutment portion to move the mounting plate into the cage, the expandable member being expandable to form an interference fit with the workpiece while the abutment portion is between the mounting plate and the workpiece; and wherein the assembly further comprises a protective cap configured to surround the cage and the retainer when an end of the protective cap is adjacent to the workpiece.