| 摘要 |
A door hinge having a function for slowly closing a door is provided to be fixed at the state keeping a door open in the constant angle range. A door hinge having a function for slowly closing a door is composed of a lower spring(6) elastically supported by a lower fixed plate, a lower sliding container(7) vertically moved along a fixed vertical guide groove(41), an upper sliding container(8) in which a vertical outer protrusion(82) is protruded on the outer surface, an upper spring(9) elastically supported by the upper part of the upper sliding container, and an upper outer container having a rotatable vertical guide groove(52). |
