Foot plate, levelling unit and duct

摘要

The base-plate has a retaining area (36) for retaining a base part (38) of a leveling unit (40). A spring locking unit (62) is provided in the retaining area, and a form-stable holding unit (60) is provided for fixing the base part of the leveling unit in a pre-defined position. The retaining area has three form-stable holding units and the spring locking unit, which are arranged approximately in an angle of 90 degree to each other. An independent claim is also included for a guiding channel with a base body.