| 摘要 |
In order to arrange the spray nozzle (14) at the largest possible distance from the window to be cleaned without it participating in the swivelling movements of the window wiper arm (1) of the cleaning means, there is passed through the window wiper shaft (6), constructed as a hollow shaft, a tubular part (12) which is held fixed in terms of rotation, contains a feed channel (13) for a cleaning fluid and the outer end of which bears the cap-shaped spray nozzle (14). <IMAGE>
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