Door threshold with underside containing catch elements

摘要

The catch elements (17,18) on the underside (13) of the door threshold (10) cooperate with a nipple screw (19) and are positioned at the lower end of a guide (14) which is in the form of a U-shaped groove open underneath. The underside has two fitment points (28,29) for screws, preventing warping when the threshold is fixed to the door jamb, and consisting of V-shaped grooves in the threshold's longitudinal direction.