Retaining prong

Claim 1

A plastic fastener comprising: a base; a fastener means extending from one side of said base for attaching said fastener to a panel having an aperture, said fastener means having an axis perpendicular to said base, said fastener means including: a collar having one side secured to said base and symmetrically disposed relative to said axis, a trunk portion having one end extending from the other side of said collar, a V-shaped notch on said trunk for engaging one side of said aperture, first and second surfaces forming said V-shaped notch, said first surface being further from said base than said second surface, said first surface extending at an acute angle relative to said axis, a resilient curved transition portion formed at the other end of said trunk, and having an outer curved surface, a tip portion connected to said portion, said tip portion having a second notch for engaging an opposite side of said aperture, said second notch having a latching surface that extends at an acute angle to said axis, said tip portion separated from said trunk by a slot, said slot extending at an acute angle relative to said axis in the same general direction as said first surface extending from the opposite side of said base which provides a lever arm for moving said fastener from said skewed position to a final position wherein said tip is resiliently deflected and said notches engage opposite sides of said aperture.