Closure device for windows and doors has bolt and socket with Z-shaped profile whose arm fits in between arms of double U profile having one wider and one narrower U sections

摘要

The closure has a bolt (2) operated by a handle (1) and interengaging with a socket formed as a Z-shaped profile (3). The bolt is housed in a double U profile (5) having a comparatively wide first U (6) and a comparatively narrow second U (7) which in turn has two arms (8,9) so that an arm (10) of the Z profile can be fitted in with precision. The two arms of the second U profile and the arms of the Z profile each have an opening (11) to hold the bolt when the arms of the Z profile fits between the arms of the U profile.