Patent ID: 6352285
Filing Date: 2002-03-05
Classification: B60N,B60R

Abstract:
A roll bar protection system for motor vehicles, being associated with a vehicle seat, comprising:an outer box profile forming a case for components of the roll bar protection system, said outer box profile adapted to be mounted firmly on the vehicle, an inner box profile, able to move in the outer box profile via guide elements, which is designed as a roll bar and accommodates a fast drive for extension into an upper end protection position in event of danger, and a drive arrangement for extension and retraction movement of the inner box profile comprising an electric motor/gearing arrangement with a threaded spindle of predetermined length, a tie-bar which can be moved in the outer box profile, and a nut for engagement with the threaded spindle, said drive arrangement detachably connected to the inner box profile, said fast drive including a compression spring having one end connected to an upper crosspiece of the inner box profile and another end connected to said tie-bar of said drive arrangement, and said drive arrangement being in linear relationship with said fast drive.