| 摘要 |
PURPOSE: A hanger bar is provided to prevent the length thereof from being reduced in a non-desired direction. CONSTITUTION: A hanger bar comprises: a first round rod(10) having a pipe shape; a second round rod(20) which has a diameter smaller than the first round rod, is inserted into the first round rod, and is projected from the first round rod; and a length adjustment member(30) which has a pipe shape having a first outlet and a second outlet, and is combined with the circumference of the first round rod and second round rod and in which the second round rod is projected from the first round rod. |
