Frame for lower base lining of lower base system for truck, has rail elements that are provided with support area which faces in support spacing direction or in opposite direction

摘要

The frame (10) has rail elements (14) that are connected to a bracket assembly (12). The rail elements are extended parallel to each other along a rail direction (S) which is perpendicular to a rail spacing direction (A). The rail elements are spaced apart in a support spacing direction (H) perpendicular to the rail direction and perpendicular to the rail spacing direction in an installation state of undercarriage frame portion (2). The rail elements are provided with a support area (14t) which faces in the support spacing direction or in opposite direction. Independent claims are included for the following: (1) a lower base lining; (2) a lower base system; (3) a truck; and (4) a kit for lower base lining.