Tubular bar for windscreen wiper system on body of motor vehicle has uncoupling element which in area of fitting hole and projects through openings in hole, and on inside axially overlaps openings on both sides

摘要

An uncoupling element (42) conforms to the inner contour of the bar tube (12) in the area of a fitting hole (58) and protrudes to project (44) through openings in the hole, and on the inside axially overlaps the openings on both sides by approximately by one to two millimeters. The uncoupling element has a wall thickness of at least two millimeters and a hardness of approximately thirty to sixty Shore A. The threaded hole in the uncoupling element is constructed in the axial direction of the tube as an elongated hole.