LOWER THRESHOLD AT REDUCED HEIGHT FOR BUILDING CLOSURES

摘要

The present invention relates to a lower rail (4d - 1) for the louvers accordions, the rail comprising at least one cavity (50) which extends along a longitudinal axis, the cavity being defined by at least four walls (60 - 0, 61 - 1, 61 - 2, 62 - 1, 62 - 2), a bottom wall (60) intended to be placed on the ground, an upper wall (62 - 1, 62 - 2) comprising an opening (50 ′) for access to the cavity (50) and two vertical lateral walls (61 - 1, 61 - 2), the rail being characterized in that it has a total height of less than 20 mm.