| 摘要 |
A cord tightening device for tightening cords on anoraks, shopping bags and other bags includes a hollow body and a slider movably disposed in the body and slidable along a guide groove defined in a face plate of the body. The slider has an annular retainer for pressing cord portions against side walls of the body, and a resilient knob cantilevered to the retainer and normally projecting through the guide groove above the face plate. The cantilevered knob is resiliently flexible toward the back plate to such an extent that the knob is substantially fully received in an aperture in the retainer. With this resilient knob, the slider can smoothly be inserted in and removed from the body without damaging the body. |
