Patent ID: 7373999

Claim:
A crawler-tracked vehicle with variable track width, being a construction vehicle ( 1 ) with at least one tool ( 3 ) and/or a vehicle for agricultural purposes, comprising at least one vehicle motor ( 4 ) and an overvehicle ( 5 ) having further components and an undervehicle ( 6 ) which comprises a vehicle frame ( 7 ), on which is provided on each of two sides a chassis ( 8 , 9 ) with a chassis carrier ( 10 , 11 ) respectively for at least one driving wheel ( 12 , 13 ) and one deflecting wheel ( 14 ) and for supporting wheels ( 15 ) for crawler tracks ( 16 , 17 ), wherein a distance of the crawler tracks ( 16 , 17 ) from the vehicle frame ( 7 ) is variable, wherein at least one of the two chassis carriers ( 10 , 11 ) can be fastened releasably to the vehicle frame ( 7 ) at a different distance transversely to the undervehicle ( 6 ) with carrying means ( 24 , 25 ) arranged laterally at the front and rear and with receiving and supporting means ( 26 , 27 ) and with holding and releasing means ( 28 ), and wherein at least one of the receiving and supporting means ( 27 ) arranged on the vehicle frame ( 7 ) is angular in cross section, and comprises a first leg ( 40 ′) standing vertically, and a second leg ( 40 ″) extending from an upper end ( 40 ′″) of the first leg ( 40 ′) horizontally in a direction toward a rear end ( 40 ) of the vehicle frame ( 7 ).