Door drive for swinging-sliding door of e.g. omnibus, has lever assembly including two mutually articulated lever elements which are moved by drive device for securing door leaf in closed position into dead center or beyond dead center

摘要

The door drive has a drive mechanism that moves a door leaf of swinging-sliding door between closed and open positions. A locking device (46) locks the door leaf in closed position. The locking device has a lever assembly (48) that includes two mutually articulated lever elements (50,52) which are moved by drive device (44) for securing the door leaf in closed position into a dead center or beyond dead center. The drive device includes a rack gear which is engaged with gear wheel.