Safety device against wrong operation for an espagnolette fitting
摘要
<p>The deficit switch interlock (11) has a longitudinally movable locking body (19) which is movable in a position blocking a connecting rod (6) and in another position releasing the movement of the connecting rod. A rocker switch (16) is designed rigidly with a key button (13). The rocker switch has a protruding guide (17) at an end.</p>
