| 摘要 |
Mechanical door-opening and closing device for 1-wing and 2-wing structural elements, such as doors, windows etc. in accordance with Claim 1, such that stationary pivots of door (2) and pivot arm (5) are arranged opposite one another, pivot regions (9) and (10) form an intersection space, in the bounds (9) to (10) of which a track roller (4) is connected by a pivot arm (5) on a running rail (3) to the door wing (1) in a sliding manner and the sequence of movements can be transferred by means of a connecting piece (14) to the other door wing (1) in a symmetrical fashion. <IMAGE> |
