| 摘要 |
PROBLEM TO BE SOLVED: To improve a split board, which offers a lot of benefits through functions thereof but forces a user to do the conversion work from a hill-climbing walking ski state to a snow board sliding state on a snow mountain and has undeniable demerits in weight and slide performance compared to general snow boards, which has the largest disadvantage that the workability is hard on a snow mountain where every imaginable conditions could happen and imperfections exist as a snow board, and in which the ideas for improving easier conversion work from the time of hill-climbing skiing to the time of snow board sliding, accuracy and assurance of positioning and fixing are important elements always required to be advanced for enjoying back-country snow board safely in snow mountains. ! SOLUTION: A split board of the present invention has joint surfaces (split surfaces) formed in a wavy line and the wavy joint surface shape is designed so that the two plates can be securely connected only at a determin |
