Floorboard especially for dance floor has opening direction of groove and extending direction of tongue extending outwards at angle, and root section of tongue has horizontal in which groove begins

摘要

The floorboard has a connecting profile (2) which has an upwards opening groove (11) and an upwards pointing tongue (12). The opening direction of the groove and the extending direction of the tongue extends outwards at an angle, and the root section of the tongue has a horizontal (H) in which the groove begins. The groove and the tongue widen in wedge form on the opening or root side. The tongue protrudes over an edge of the floorboard (5) which is formed by a section of the floorboard below the tongue.