Set latticed frame and cover to cover a drain opening

摘要

1. Set latticed frame and cover to cover a drain opening, of the type comprising a frame (10) adapted to be fixed to a floor near said drainage opening and at least one latticed lid (20) adapted to engage a seat (30) of said frame (10) in a closed and capable position pivoted relative to the frame (10) between said closed position and an open position, wherein the frame (10) is rectangular and has two long sides (1a , 1b) opposite and two opposite short sides (2a, 2b), and wherein said latticed lid (20) comprises a plurality of first bars (11) parallel to each other and inclined relative to the sides of the frame (10) and a plurality of second bars (12) parallel to each other and perpendicular to said first bars (11), said seat (30) of the frame (10) sized to receive two of said lids latticed (20) adjacent, each of which has a contour which can be inscribed in a perfect square, simp or the external dimension of the frame (10) in the direction of said long sides (1a, 1b) subtancialmente twice the outer dimension of the frame (10) in the direction of said short sides (2a, 2b), wherein the frame ( 10) comprises means of lateral connection based on a male-female mating configurations to permit attachment to other frame (10a) analog, said means sideseam comprising: - half of one of the long sides (1a); and - Four pairs of first incoming configurations (5a, 5b), two of which are formed in the corresponding halves of the other of the long sides (1b) and the other two in either of the two short sides (2a, 2b), wherein any one of said two pairs of first protruding configurations (4a, 4b) is adapted to fit into any one of said four pairs of first incoming configurations (5th, 5b); and - A second projecting configuration (6) projecting outwardly from one of the short sides (a); and - Five second incoming configurations (7), one formed on the other of the short sides (2b) and each of the other four in a corresponding half of the two lengths (1a, 1b), wherein said second projecting configuration (6) is adapted to fit into any one of said five second incoming configurations (7)