| 摘要 |
<p>A component is fastened to the face of a recess with a movable mechanical component fitted to the frame. These can carry over the wing of a swinging door or window to the closed or open position. There are two identical main parts (1-3) each pref. comprising side, counter and base plates- homologously fitted to the opposing surface of the cutout holding the closing unit. These are fitted, in turn, with two identical counter or secondary parts, on the frame, each mounted on one side directly at the side of the corresponding main part. Main parts and counter pieces are kinematically interconnected by three additional components.</p> |
