Hook and bar connecting device for casement bolt, has male and female parts fitting with each other, where female or male part includes stiffeners that lock other part and that are oriented along fitting direction

摘要

The device has a male part and a female part fitting with each other, where the female or male part includes stiffeners (9) that lock the other part. The stiffeners are oriented along a fitting direction, where the thickness of the stiffeners is linearly increasing during fitting, and the height of the stiffeners is lesser than the fitting length. The male and the female parts are in circular sections, where the male part includes a groove cooperating with a boss (8) of the female part that is formed by a sleeve (7).