It is a door sill with door ties housing (7) is made available, which in the case of the closed door - or window sash the function of a high door sill takes over in a functionally reliable manner and in the opened state of a door is completely, without, for their change of state without the need for an external energy supply, which is achieved in such a way that it is a flat earth level (u) and an elevated level (o) and has a movement mechanism, which is of a pivot lever (6) is driven, which has a functional end (5), with which it is above the level level (u) and that projects out from an end area of a door (4) projects a functional part (11), which shortly before a completed closing process of a door (4) to its closing, and vice versa, during the opening of a door (4) with the functional end (5) forms a functional unit and the pivot lever (6) in order to achieve a to the longitudinal direction of the door sill (1) parallel pivot axis (12) is pivoted.n="13"
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