Befestigungsvorrichtung durch Schrauben und Muttern

摘要

The device has fixation screws (17) extending in aligned passages (15, 16) of a rotor disc (2) and a spacer (3). The screws have heads (18) applied on the disc and receiving a nut (19) applied on the spacer, and locking units (25) lock the heads. The locking units have a removable unit (20) including blocking units such as a base (28) and a wall (23) with a stop, rotating on the disc to be fixed.