<p>The closing bar (1) has a sliding bar for a lock case arranged in a passage opening (4) and bent in preset inclination of an opening edge. The sliding bar engages down a case recess (21) in an opener case of a door opener or an upper part (2). The sliding bar is arranged as a single-piece on a base part (3). The base part is attached under the closing bar and provides a fastening retainer for the upper part. The door opener has the opener case with a stop nose (20). A door lock has the lock case engaging behind the stop nose.</p>
