FLOOR PANEL, WITH A HORIZONTALLY AND VERTICALLY ACTIVE LOCKING SYSTEM (6-7) ALLOWING THAT TWO OF SUCH FLOOR PANELS (1) CAN BE CONNECTED TO EACH OTHER AT SAID SIDES (2-3) BY PROVIDING ONE OF THESE FLOOR PANELS (1), BY MEANS OF A DOWNWARD MOVEMENT (M), IN THE OTHER FLOOR PANEL (1)； WHEREIN THE VERTICALLY ACTIVE LOCKING SYSTEM (7) COMPRISES A LOCKING ELEMENT (12) IN THE FORM OF AN INSERT； WHEREIN THIS LOCKING ELEMENT (12) COMPRISES AT LEAST A PIVOTABLE LOCK-UP BODY (14)； CHARACTERIZED IN THAT THE PIVOTABLE LOCK-UP BODY (14) COMPRISES A SUPPORT PORTION (20) WHICH IS ROTATABLE AGAINST A SUPPORT SURFACE (21) PERTAINING TO THE FLOOR PANEL (1) CONCERNED, AND MORE PARTICULARLY IN A SEAT (22). FIG. 33
