US Patent 7120971 Low insertion effort u-base retainer

A resilient clip for engaging a structure and having a body portion (22) with a pair of top flanges (24), a pair of fastening fingers (26) and a pair of abutting coupling flanges (28). Each of the fastening fingers (26) are coupled to the body portion (22) that is coupled to an associated top flange (24). Each of the abutting flanges (26) has a concave surface, which engages the mounting structure. The fastening finger (26) portions are configured to engage a first side of a mounting flange on an interior trim component.