| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a stairway reforming method in which an existing spiral stairway is dismantled, and a stairway and an elevator device are combined in a space of installation so as to easily select a place of installation even when an elevator device is newly provided in a house. <P>SOLUTION: An elevator device 4 is formed in a forward corner part of a space from which a spiral stairway 1 is dismantled, and a new stairway 6 is formed to reach upstairs along one side and a rear side of a hoistway 46 of the elevator device 4. The elevator device 4 is formed in the center of the forward width direction of the space from which the spiral stairway 1 is dismantled, and the new stairway 6 is formed to reach upstairs along the side and the rear side of the hoistway 46 of the elevator device 4. <P>COPYRIGHT: (C)2006,JPO&NCIPI</p> |
