Patent ID: 8281519

Claim:
A sliding door or window ( 1 ) comprising at least: a fixed frame ( 2 ); at least one mobile frame ( 3 ) or sash which slides horizontally, opening and closing relative to the fixed frame ( 2 ), having a perimeter groove (C) for slidably housing operating means ( 7 ); at least one sliding unit ( 4 , 4 a ), or a pair of carriages, associated with a lower horizontal member ( 3 a ) of the sash ( 3 ) and resting on a horizontal base track ( 5 ), allowing the sash ( 3 ) to slide in both directions (F 1 , F 2 ), opening and closing; a controlling member ( 6 ) located on the sash ( 3 ) and connected to the operating means ( 7 ) which, when actuated by the controlling member ( 6 ) lift the sash ( 3 ) from the carriages ( 4 , 4 a ) so that it can be slid open, and lower the sash ( 3 ) when the sash ( 3 ) is returned to the closed position, the door/window ( 1 ) being characterized in that it comprises at least; a first slider ( 8 ) slidably fitted in the perimeter groove (C) made in an upper horizontal member ( 9 ) of the sash ( 3 ) and connected to the operating means ( 7 ) in such a way as to move in coordination with the operating means ( 7 ); at least one first contact element ( 10 ), located in the proximity of the first slider ( 8 ) and rotatable at least between a lowered, non-operating position and a raised operating position; drive means ( 11 ) which act between the slider ( 8 ) and the first contact element ( 10 ) and which, through the relative movement between the drive means ( 11 ) themselves and the first contact element ( 10 ), are designed to allow at least a first position of lifting and stable positioning of the first contact element ( 10 ) when the sash ( 3 ) moves from the raised configuration to the lowered configuration in such a way that, when in the lowered configuration, the sash ( 3 ) cannot be lifted off the fixed frame ( 2 ), wherein the first slider ( 8 ) comprises at least: a central portion having a through slot ( 14 ) engaged by the drive means ( 11 ) that drive and position the first contact element ( 10 ); a vertical fork ( 15 ) for bilaterally hinging an end of the first contact element ( 10 ) and positioned in the proximity of one end of the slot ( 14 ); at least one end of the first slider ( 8 ) equipped with means ( 16 ) for connection to the operating means ( 7 ) in such a way that when the sash ( 3 ) is in the lowered, closed configuration and in the raised, open configuration, the first contact element ( 10 ) can be moved, respectively, towards and away from the drive means ( 11 ) located in the slot ( 14 ).