| 摘要 |
<p>The foot retaining strap (1) is fixed on a platform of a surfboard. It consists of the strap (4), forming a link for the insertion of two toes. There are also parts (2,3) to allow a sleeve to turn relative to its fixing base (11). The connection (3) has a female part (5) fixed in the base and a male part (6) turning in the female part. The male part has a shaft (6) with annular grooves (9) and the female part has a sleeve (5) with corresponding annular shoulders (8). There is a rest position fixing (7) for the male part.</p> |
