Door armature with anti-smash security device has bolt forming ring-shaped catch shoulder holding anti-smash pane and whose outer diameter is greater than inner diameter of bushing

摘要

Door armature has anti-smash security device built into the upper area of a glass door panel in door frame (3). The positioning bolt (9) forms a ring-shaped catch shoulder bordering the facing side (11) of the bolt. Its outer diameter is greater than the inner diameter of the bearing bushing (10) situated in a groove on the armature part. There is an air gap (14) between bushing and catch shoulder on which is fastened an anti-smash pane (16).