The device applies to the motor industry. It allows secure protection against unscrewing by means of standard tools and has simple technological realization. It consists of a fixed to a positioning piece (1) threaded element (2) with cylindrical stepped head (3), having a frontal eccentric hole. At the cylindrical head (3) is a bearing bush (4) with an interior opening the height of which is bigger than the height of the head (3). In the eccentric hole of the cylindrical head (3) is placed a safety lock (6) with a head (5) and a perpendicular to its axis lever (7).IMAGE
展开▼
