Espagnolette lock fitting with a face plate having an opening for the passage of a fastening screw

摘要

Accessory (4), attached to edge plate (3), extends under opening (6) made in edge plate to allow passage of fastening screw (6A). Opening is defined to receive contact block (30) associated to accessory, and crosses by hole (27) with opening (31) shaped as sawn-off cone. Contact block has largest thickness (40) equals to thickness (41) of edge plate.