Arrangement for mounting a support base on a wall

Arrangement for attaching a stretcher base (10), a tray, a platform or a similar support to a wall with the help of two turning arms (4), (5) each of the arms being attached to the mentioned wall with the help of their own attachment fixtures (2), (3) in which case the mentioned stretcher base can be moved with the help of the arms (4), (5), characterized in that the stretcher base can be moved outwards from the wall in horizontal direction at the first stage of the moving in which case the first arm (4) and the second arm (5) of the arms are both hinged to be turning out of the wall in horizontal direction and the mentioned stretcher base (10) is attached to the moveable ends of the arms (4), (5) and that in the arrangement when the moving of the base (10) sideways is further continued, an elevation adjustment bar (7) belonging to the second arm (5) and sliding in the height direction is arranged to slide downwards and at the same time to set the support elements of the stretcher base (10) lower at the location of the second arm (5) in order to achieve a tilted position for the stretcher base (10).