| 摘要 |
PROBLEM TO BE SOLVED: To form a stairway for safely going up and down a loft and easily carrying things, and to reduce an installation place.SOLUTION: The stairway is provided with a handrail on one side or both sides when disposed as a straight stairway. It is vertically erected on a wall side under a loft when stored. The handrail is folded simultaneously at the time. Door rollers are attached to lower parts of both side faces of the stairway so as to be lightly moved even by a child or a housewife. |
