| 摘要 |
A screen wiper, especially a motor vehicle windshield wiper, comprises a first element having a U-shaped cross section and a second element received in the U-shaped cross section of the first element, together with an insert piece which is interposed between the first and second elements. The insert piece has side walls which are formed with annular locating bushes. One of the two elements between which the insert piece is interposed has a hole formed through its side walls, this hole being open to a terminal edge of the side wall through an aperture or slot.
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