| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a fin attaching/detaching structure in which a fin can be easily attached/detached to/from a surfboard without using any tool when the fin is attached to the surfboard. <P>SOLUTION: In the fin attaching/detaching structure, a press spring 6 is fitted to a fore end of a support groove formed on a supporting plate 3 of a surfboard 1, a fixing pin 7 is arranged at a rear end thereof. The supporting groove has a guide groove 8 from a rear upper end to the press spring of a bottom part. A projecting part 10 is provided on a fore end of a fin, and a recess 5 is arranged in a rear end thereof. Thus, the projecting part is advanced through the fin 2 along the guide groove. By applying the force in the pressing direction of the press spring to the recess with the fixing pin being fitted therein, the fin is attached/detached to/from the surfboard. <P>COPYRIGHT: (C)2013,JPO&INPIT |
