Windscreen wiper has arm which has three longitudinal cavities separated by partitions, water being fed through outer cavities and emerging through outlets on side facing windscreen

摘要

The windscreen wiper has an arm (2) which has three longitudinal cavities (3.1, 3.2) separated by partitions (5). These are spring loaded by the mounting (8.1) the arm. Water is fed through the outer cavities and emerges through outlets (7) on the side facing the windscreen.