Stabiliser bar for a motor vehicle

Said roll bar (1;

• 1′) in accordance with one of the above claims,
• characterized in that
• the said first and/or second torsion tube (81, 82, 8′) centrically surrounds the said unsplit torsion bar (5;
• 5′).

Said roll bar (1;

• 1′) in accordance with one of the above claims,
• characterized in that
• the said clutch arrangement (9;
• 9′) can be controlled as a function of the speed of travel and the steering angle and/or the angular velocity of the steering wheel and/or the lateral acceleration of the vehicle.

Said roll bar (1;

• 1′) in accordance with one of the above claims,
• characterized in that
• the said clutch arrangement (9;
• 9′) has said spring assemblies (171;
• 17′), which are designed such that rapid closing of the said clutch arrangement (9;
• 9′) is guaranteed.

Said roll bar (1;

• 1′) in accordance with one of the above claims,
• characterized in that
• the said clutch arrangement (9;
• 9′) is designed such that it automatically closes or remains closed in case of a defect.

Said roll bar (1;

• 1′) in accordance with one of the above claims,
• characterized in that
• the said clutch arrangement (9;
• 9′) can be switched hydraulically or pneumatically.

Said roll bar (1;

• 1′) in accordance with one of the above claims,
• characterized in that
• the said clutch arrangement (9;
• 9′) is designed such that a crossing that is permissible between the said torsion bar (5′) and the said torsion tube (8′) or between the said two torsion tubes (81, 82) during straight-line travel of the vehicle cannot be exceeded.