Patent ID: 9314936
Filing Date: 2016-04-19
CPC Classification: B26D,E04C,E04F,Y10T

Claim Text:
1. Building panels provided with a locking system for vertical and horizontal locking of a first edge and a second edge of adjacent panels at a vertical joint plane defined by adjoining uppermost surfaces of the first edge and the second edge, wherein said locking system comprises: a tongue and a tongue groove, for vertical locking, and at the first edge, a strip provided with a locking element, which cooperates for horizontal locking with a downwardly open locking groove formed in the second edge, wherein the strip comprises a strip body with a cavity, the cavity extending outside of the vertical joint plane relative to the first edge, wherein the second edge comprises a local protrusion that extends downwards, and wherein the protrusion is located in at least a portion of the cavity when the panels are locked vertically and horizontally, and the portion extends entirely through the strip body.