Operating handle for opening and closing of e.g. window, has square pin and locking device that is formed such that introduction of square pin into hand grip is effected in one direction and is blocked in opposite direction

摘要

The handle has a square pin (30) which is brought in contact with a hand grip (20) in a torque proof manner. A locking device (40) is provided between the grip and the pin and has locking units (70) that are brought in contact with a side surface of the pin. The device is formed such that introduction of the pin into the grip is effected in one direction (R1) and is blocked in the opposite direction (R2).