| 摘要 |
<p>1. A casement bolt, especially a casement bolt for a door, French window or the like comprising at least an operating rod (6) provided with at least a bolting element penetrating into a keeper integral with the frame ; a locking element (39) of the operating rod (6) in an unbolted position, said locking element being elastically drawn back into the unbolted holding position of the operating rod (6) and co-operating with unlocking means (65) integral with the frame ; means of elastic return (28) allowing to bring the operating rod (6) from the unbolted position to the bolted position : and a driving mechanism comprising, on the one hand, a door-knob holed-piece (7) permitting the working of the rod (6) and, on the other hand, a horizontal bolt (73) movable by means of a drum (102), characterized in that, on the one hand, the door-knob holed-piece (7) is elastically drawn back into a resting position after the unbolting of the casement bolt and, on the other hand, the horizontal bolt (73) comprises a finger (81) with an inclined plane (78) co-operating with the operating rod (6) or with a heel (17) integral with said rod for bringing and maintaining said operating rod (6) in a bolting position.</p> |
