| 摘要 |
The rearward wash basin has a neck cutout ( 5 ) for performing a rearward head or hair washing and a soft elastic neck seal ( 6 ) lining the neck cutout. In order to fit the neck of the individual whose head or hair is being washed, the soft elastic neck seal ( 6 ) is in the form of a first bellows ( 8 ) with folds ( 9 ), the neck seal ( 6 ) is provided with a hollow chamber ( 7 ) and the folds ( 9 ) have a curvature essentially corresponding to that of the neck cutout ( 5 ). The neck seal ( 6 ) can be equipped with an expansive displacement device ( 10, 10.1 ), which adjusts the neck seal to the user's neck.
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