| 摘要 |
A hidden cleat structure for boat comprises a seat body, a mobile pile, elastic components, a driving piece, and a driving rod. The mobile pile longitudinally and slidably connects the seat body. The elastic components are disposed in the sliding direction between the mobile pile and the seat body. The driving piece can move transversely, and is disposed in a receiving cavity of the seat body. An erect heart-shape track is disposed on the driving piece. One end of the driving rod is fixed on the mobile pile, and the other end thereof is located in the heart-shaped track. The heart-shape track includes an upper and a lower stop points and two transitional points obliquely placed in the clockwise or counterclockwise direction. The driving rod can make unidirectional circulatory motion in the heart-shaped track along with upward and downward slide of the mobile pile.
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