Patent ID: 8857121

Claim:
A linear surface covering system comprising: a plurality of linear carriers; a plurality of planks attached to the plurality of linear carriers, each of the planks having a back surface and first and second grooves extending therethrough and into an interior of the plank, a back portion of the plank located between the first and second grooves, the back portion defining a sidewall of each of the first and second grooves and comprising a centerline; a notch formed in the sidewall of each of the first and second grooves, wherein each notch includes: a first surface portion extending from the back surface of the plank, the first surface portion being sloped downwardly and outwardly in a direction away from the centerline of the back portion; and a second surface portion extending from the first surface portion, the second surface portion being sloped downwardly and inwardly in a direction toward the centerline of the back portion; for each plank, a plurality of resilient clips that attach the plank to the linear carriers, each resilient clip comprising a first protrusion that extends into the first groove and engages the notch of the first groove and a second protrusion that extends into the second groove and engages the notch of the second groove such that the back portion of the plank is located between the first and second protrusions of the resilient clip; wherein for each resilient clip, the first protrusion is configured to snap-fit into the first groove to engage the notch of the first groove and the second protrusion is configured to snap-fit into the second groove to engage the notch of the second groove; and wherein for each of the planks, the centerline of the back portion is also a centerline of the plank.