Cover leaf closing mechanism for a window or for a door with two leaves without central upright

摘要

a. Leaf closing mechanism for the cover leaf of a window or of a door with two leaves without central upright. b. Mechanism characterised in that the drive mechanism is produced in two parts and is composed of a pin 16 fixed to the drive rod 14 and a spacing sleeve 25 which can be given a predetermined length, this sleeve being fixed to the lug 20, and whose internal diameter is adapted to the cross-section of the pin 16, and in that the lever arm 19 of the knuckle joint lever drive device is provided on the cover plate 18. c. The invention relates to a cover leaf closing mechanism for a window or for a door with two leaves without central mounting. IMAGE