Patent ID: 9382738
Filing Date: 2016-07-05
CPC Classification: E05D,E05Y,E06B

Claim Text:
1. Swing closure element ( 1 , 1 ′) for doors, windows or the like, comprising: a fixed structure ( a first movable wing ( a second movable wing ( an articulated quadrilateral mechanism ( a fixed member ( a first movable member ( a second movable member ( a third movable member ( said mechanism ( 50 , 50 ′) being pivotable according to said predetermined opening rotation direction (W 1 ) starting from a first closed configuration wherein said four members ( 10 a , 51 ; 52 , 52 ′; 53 , 53 ′) are parallel to each other, said first and second hinge constraints ( 21 , 31 ) being arranged in said closed configuration so that a first plane (Z 1 Z 3 ) containing the axis (Z 1 ) of said first constraint ( 21 ) and the axis of said first pin ( 53 a ) is spaced from a second plane (Z 2 Z 4 , Z 2 Z 4 ′) containing the axis (Z 2 ) of said second constraint ( 31 ) and the axis of said second pin ( 53 b , 53 b ′), said rotation direction (W 1 ) being oriented from said second plane (Z 2 Z 4 , Z 2 Z 4 ′) to said first plane (Z 1 Z 3 ), said closure element being characterized in that said mechanism ( 50 , 50 ′) comprises at least one first stiffening member ( 61 , 61 ′) pivotably constrained to a said first movable member ( 51 ) and to a said third movable member ( 53 , 53 ′) so that in said closed configuration: said first stiffening member ( said rotation direction (W