Patent ID: 8267619

Claim:
A road paver, comprising a towing vehicle including a chassis, a paving screed linked to the chassis, the paving screed having a main screed and two extension screed parts which are retractable and extendable relative to the main screed for continuously varying the working width of the paving screeds, apparatus located at the outer end of each of the extension screeds for mounting at least one paving screed extension for further enlarging the working width in steps, a distributing auger extendable by mounting distribution auger extensions and carried at a rear end of the chassis by a distributing auger support, the height position of the distributing auger being continuously adjustable by a remotely controlled drive while the road paver is travelling in a casting travelling direction, an upright channel steel sheet plate mounted to a distributing auger extension, the channel sheet steel plate being positioned in casting travelling direction in front of the distributing auger, upright scraper blades between the distributing auger and the paving screed, said scraper blades are combinable stepwise to the working width in steps, the scraper blades being functionally associated to and located in front of the extended extension screed part and each paving screed extension, and a scraper blade section located in front of a paving screed extension or an extended extension screed part and on the channel steel sheet plate, the height of the scraper blade section, the distributing auger and the channel sheet steel plate being adjustable by the drive during the road mat casting process.