| 摘要 |
PURPOSE: A snow board is provided, which can be used both on snowy road and icy road, cuts down expenses by not buying an extra ice board, and extends application limits. CONSTITUTION: A snow board is composed of the front and the rear supporting projections (4,5) of the front center and back sides of lower body of board(3), rotary control projection(14) fit on the front rear supporting projection(5) of upward incline(11) formed on the both sides of the rear supporting projection, a brake system(b) equipped lowery to the rear projection in the back of the rear supporting projection. The supporting projections(4,5) formed as opposite triangle separately is fixed to the lower part of the board body, and the brake system comprises a supporting plate(10) of the inside central part of the rear projection(5), a friction piece(12) on the supporting plate, and a rib(13) sustaining the friction piece to the supporting plate.
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