Patent ID: 9322183
Filing Date: 2016-04-26
CPC Classification: B27F,E04F

Claim Text:
1. A locking system for mechanical joining of floorboards, in which the locking system of joined ones of the floorboards has a horizontal plane which is parallel to a front side of the floorboards and a vertical plane which is perpendicular to the horizontal plane, wherein the locking system has mechanically cooperating locks for vertical joining parallel to the vertical plane and for horizontal joining parallel to the horizontal plane of a first joint edge and a second joint edge, said locking system is configured to be joined by angling, a vertical lock of the cooperating locks comprises a tongue which cooperates with a tongue groove, and a horizontal lock of the cooperating locks comprises a strip provided with a locking element with a locking surface which cooperates with a locking groove, said strip protrudes past the first or the second joint edge, wherein the first and the second joint edges have upper and lower joint edge portions, the upper and lower joint edge portions each having at least a vertical wall and being positioned between the tongue and the front side, the upper joint edge portions being closer to the front side than the lower joint edge portions, and wherein the strip has an upper surface extending from a lower wall of the tongue groove to the locking element, the upper surface extending past the lower joint edge portion in the second joint edge, and wherein, when the floorboards are joined and pressed towards each other, the upper joint edge portion in the first joint edge overlaps the lower joint edge portion in the second joint edge such that the upper joint edge portion in the first joint edge is in a different vertical plane than the lower joint edge portion in the second joint edge.