Height-adjustable support leg for supporting semi-trailer, has pivotable sole plate which is supported by springs in symmetry to roll segment and support, and center web having rear sight alignment and link is provided in sole plate

摘要

The support leg has a roll segment (2) with a spherical, barrel-shaped or concave pitch surface (2b) which is provided at the lower end region of the extensible support inner pipe (3) in the longitudinal direction of the semi-trailer. The pivotable sole plate (1) is supported by springs (11) in symmetry to the roll segment and the support. A center web (8) having rear sight alignment (9) and link (10) is provided in the sole plate. The center web is protruded between two segment portions interconnected with roll segment through the opening (2a).