| 摘要 |
An improved structure of a build-in screw (20) in a bushing (30) comprises a bushing (30) made of metal and an elastic material (40) at an inner region (32) forming a flexible area (42) in which a thread shank (24) of said screw (20) is pressed in by deforming said flexible area (42), so that said screw (20) and said metal bushing (30) are captively connected. |
