Importance

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Abstract

A clamping snap-in fastener has a head with laterally-projecting, resilient arms that are curved and tapered toward their extremities. The arms are angled downwardly. Two resilient legs extend downwardly from the head. Each leg has a foot with a barb, an outwardly-projecting heel at the distal free end, and an undercut between the heel and the barb. The barb has a planar top surface that extends substantially perpendicular to the lengthwise axis of the leg, and a planar lower surface that extends inwardly from the upper surface toward the heel. The undercut lies between the lower surface and the heel at the bottom end of each leg. The fastener may be used to assemble two or more panels face-to-face through aligned apertures in the panels. After assembly, the panels are attached between the fastener head and the barbs with a residual clamp load applied by the deflection and resilience of the arms of the head.

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First Claim