| 摘要 |
Pivoting centre board 4 for a yacht, comprising means enabling it to be locked in a specified position within the well 3. According to the invention, the immobilisation means which the centre board has consist of at least two surfaces 10 attached to the faces of the centre board, these surfaces 10 having a plurality of flexible raised portions 12 which are compressible, are spaced apart from one another and have very small dimensions relative to the actual surface area of the centre board. Application: centre board for a yacht or sailboard. <IMAGE>
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