| 摘要 |
PCT No. PCT/EP85/00062 Sec. 371 Date Nov. 13, 1985 Sec. 102(e) Date Nov. 13, 1985 PCT Filed Feb. 21, 1985 PCT Pub. No. WO85/04143 PCT Pub. Date Sep. 26, 1985.A sailboard including a centerboard contained in a housing and which may be pivoted by the foot of the user from the upper face of the sail-board. In order to provide a simple and inexpensive actuation device for the center-board and which practically prevents any possibility of injury, the center-board is provided with a pawl which may be inserted into one of the ratchet recesses provided on or in the housing of the centerboard. The pawl is carried by a slide which may be radially displaced in the centerboard with respect to the axis thereof. The outer end of the slide is provided with an actuation member and a spring holds its ratchet position. When the center-board occupies a middle position, the slide is approximately perpendicular to the surface of the sailboard.
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