Patent ID: 7267189

Claim:
An undercarriage, preferably for a crawler-mounted crane, comprising a crawler track ( 14 ) which runs on a crawler carrier ( 12 ) and includes base plates ( 16 ) articulately connected to one another, with cams ( 18 ) being formed on the base plates ( 16 ) which laterally center the crawler track ( 14 ) under rollers ( 22 ), holding plates ( 26 ) mounted upon the base plates ( 16 ) of the crawler tracks ( 14 ), and two metal guide sheets ( 28 ) arranged to extend substantially over the length of the crawler carrier ( 12 ), and engage said holding plates ( 26 ), being laterally mounted upon a lower carriage of the crawler carrier ( 12 ) to extend therefrom and into a gap ( 30 ) defined by the respective holding plates ( 26 ) between the base plates ( 16 ) and holding plates ( 26 ).