| 摘要 |
<p>The arrangement according to the invention comprises a sheet (2) of elastic material that has a hole. There is a circular collar part (4) as an extension to the hole, located crosswise in relation to the surface of the sheet. The outer circumference of the collar in relation to the plane of the sheet (2) comprises a widening section (6). The arrangement also comprises a bushing (7) with a hole for the spindle. The bushing (7) is fixed to the widening section of the collar so that the sheet (2) and the bushing (7) constitute an integral piece. The sheet (2) also has mounting holes (3) for fasteners.
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