Constructional unit for use as floor covering, has bar with slot and side shanks with slots, where slots are meshed such that slots of shanks encompass bar outside of slot and slot of bar encompasses shanks outside of slots

摘要

The unit has a u-section and a bar (6) provided with a slot (7). The section has a center shank (8) and two side shanks (9`, 9``), where the side shanks have two alignment slots (5). The slot has a slot width that corresponds to a material thickness of the side shanks in the area of the alignment slots. The slot of the bar and the and slots of the shanks are meshed in such a manner that the slots of the shanks encompass the bar outside of the slot and the slot of the bar encompasses the side shanks of the section outside of the slots in an inner surface of the side shanks.