| 摘要 |
<p>A kind of metal chair's leg frame(1) comprisese: at least three legs,each leg includes an upside leg assembly(26) and an underside leg assembly(21),and a top plate assembly(28) which includes a rotational joint assembly(4),the speciality is:said top plate assembly(28) is connected to said upside leg assembly(26) by screw thread and insert means, said upside leg assembly(26) is connected to said underside leg assembly(21) by screw thread and insert means also. A seat could be mounted on the top of the metal chair's leg frame(1) to form a chair without any tools.</p> |
