| 摘要 |
PURPOSE: To reduce manufacturing cost by facilitating assembly operation on a field, preventing the lowering of strength, decreasing the number of parts and facilitating the storage, maintenance, etc., of parts. CONSTITUTION: A stair facing member has a storing section 25 indented in a recessed shape from the surface of the member, and a luminaire 70 not projected from the surface of the stair facing member and lightening the foot of a person ascending and descending on a stair can be housed in the storing section 25. The stair facing member has a detachable detaching section for forming an opening section 28, through which light from the luminaire 70 is passed, and the detaching section forms a part of a facing under the state of mounting. |
