Patent ID: 10099654

Abstract:
The invention relates to an antitheft device for a motor vehicle steering column, comprising: —a locking means mounted in a movable manner between an unlocked position in which it is intended to be disposed away from the steering column and a locked position in which it is intended to prevent said steering column from moving, and—a cam (12) intended to rotate as one with a lock plug (5) in order to actuate the locking means depending on the position of the lock plug (5), characterized in that the cam (12) comprises: —a nonreturn profile (13) intended to engage with a complementary assembly member (15) that is configured to prevent the cam (12) from rotating in the opposite direction once it has reached a predetermined angular position, and —a push-locking recess (14) intended to receive a stop (20, 21) that is intended to engage with a complementary assembly member (15) that is configured to prevent the cam (12) from rotating in a predetermined direction of rotation from a predefined angular position and to allow rotation of the cam (12) by the lock plug (5) being pushed in beforehand.