DE3011271

1. Drawer made of plastic, with at least one stiffening rail (30), possibly made of metal which is engaged in a recess provided in a double-walled portion of one or of each lateral wall of the drawer and maintained therein essentially without any play relatively to said lateral wall, the rail having angled fixation tongues (35) for maintaining it with respect to opposed frontal walls of the drawer, characterized in that the free end of the tongues is provided with hooks (36) shaped so as to engage behind ribs (23) provided on the frontal walls of the drawer, and in that, when the rail (30) is engaged with one or all lateral walls (1, 2), the rail and said wall cooperate by means of at least one elastic cliping ratchet (14) provided on one of these parts (1, 2 or 30) and of a corresponding recess (33) provided on the other (30 or 1, 2) in order to maintain the rail in a vertical position.