Rectangular floorboard assembly for joint system, has locking surfaces, which are located at upper portion of respective locking element close to top of locking element and at distance from upper side of respective strip

摘要

The assembly has operative locking surfaces (10,11) of respective short side locking element (8) and short side locking groove (14), which make a locking angle (A) of 50[deg] to upper side of floorboard. The locking surfaces of respective long side locking element and short side locking element are essentially planar and located at upper portion of respective locking element close to the top of locking element and at a distance from the upper side of respective strip (6).