Sectional door particularly for garage

1) Sectional door (1) for the control of the access opening to a compartment, particularly to a garage compartment, comprising:

• a fixed portion including two pairs of vertical guides (5, 6) suitable for extending in a direction substantially parallel to a respective shoulder of the access opening to a compartment;
• and
• a movable portion including:
• a leaf comprising a lower panel (7) and an upper panel (8), substantially rectangular in shape extending over the entire width of the leaf and having the lateral sides thereof in sliding engagement along a respective side guide (5, 6);
• a pair of side support arms (11) each having one end thereof articulated in correspondence to the top of a respective pair of vertical guides (5, 6) and the other end thereof pivoted in correspondence to an intermediate zone (8c) of a respective lateral side of said upper panel (8);
• and
• articulated and slidable connection means (12) between said lower panel (7) and said upper panel (8), including a pair of lateral sliding guides (10) provided in correspondence to the lateral sides of said upper panel (8), and a pair of connection levers (13), each having one end (15) thereof in sliding engagement with a respective lateral sliding guide (10) of said upper panel (8) and a second end (14) thereof articulated at the top to said lower panel (7),
• whereby said lower panel (7) and upper panel (8) are movable between a completely closed position of said access opening, in which they are arranged in a substantially aligned sequence, one on top of the other, along said pairs of vertical guides (5, 6), and a completely open position, in which said upper panel (8) is overhangingly moved to project in said compartment starting from a zone in correspondence to the top of said pairs of vertical guides (5, 6), supported by said pair of side support arms (11) and said lower panel (7) is moved together with, and against said upper panel (8).