| 摘要 |
A fastener includes a pull unit having first and second pull-lace portions, and an intermediate part connected between the pull-lace portions. A tightening unit includes first and second lace holders connected pivotally to each other, and two clamps connected slidably and respectively to the lace holders. The first lace holder has two first rod sections, two hook-connecting rings, and two first pull-lace connectors connected to the first pull-lace portion. The second lace holder has two second rod sections, two hook portions extending respectively through the hook-connecting rings and fixed to the intermediate part, and two second pull-lace connectors connected to the second pull-lace portion. Each clamp has two ends attached slidably to the respective first or second rod sections such that each clamp divides a space between the first or second rod sections into a lace entry hole and a lace exit hole. |
