US Patent 10590968 Dual component U-base fastener

A u-shaped outer component includes at least one rib retention barb, and a u-shaped inner component includes at least one aperture retention wing. The outer component and the inner component are separate and are coupled together to create an assembled unit defining an interior rib receiving cavity with the at least one rib retention barb extending into the interior rib receiving cavity and the at least one aperture retention wing of the inner component extending exteriorly from the outer component.