Sperrvorrichtung und damit versehene Torantriebsvorrichtung für ein mittels eines Motorantriebsaggregats antreibbares Tor

摘要

The invention relates to a locking device (11) and a door-drive device (3) comprising said locking device for a door, in particular, for a canopy door (2) which can be secured against opening by unauthorised persons using force (37) from the exterior. The locking device (11) has a lever element (13), consisting of two lever arms (20, 21) which pivot about a first pivoting shaft (19). A connecting element, preferably a connecting rod (12) is hinged to the first lever arm (20) for connecting to the door leaf (1) and the second lever arm (21) has an engaging device (29) which catches, or butts in and takes up a fixed buttress element (9, 28).