US Patent 9551158 Dual fitting plank and clip system

A clip for attaching a deck plank to a surface, comprises an elongated strip having bottom and top opposing surfaces with a leg extending up from said top surface between its ends. The leg has at least one flange projecting out at a location spaced from the top surface. The flange has an underside facing the top surface for engaging and mating with a ledge of a deck plank. The mating deck plank readily attaches to the clip when force is applied generally from the upper surface down on the plank. The deck plank has a bottom recess with an internal ledge or ledges that mates with and snaps onto the flange or flanges of the clip.