| 摘要 |
A trim cover clip comprising a hollow tube made of a plastic substance, containing in the wall of the hollow tube at least one slit having the shape of three sides of a rectangle and thereby enclosing therein an engaging piece possessing a free end, and having the inner wall of the engaging piece corrugated to form teeth capable of engaging with the thread on the bolt being passed through the inner hole of the hollow tube is improved by having the engaging piece formed aslant inwardly enough for the free end thereof to thrust deeply into the inner wall of the hollow tube.
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