| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a multistage system bed in which a user can climb down safely even when a leaning ladder put up on a side frame has come off for some reason after the user has climbed up a bed at a high position.SOLUTION: A system bed (B1) includes: a lower bed (b1a) having a head board (1a), a foot board (2a), side frames (3 and 3a), floor parts (4 and 4a), and a ladder part (20a) formed at either the head board or the foot board, or at both of them; a middle bed (b2c) stacked on the lower bed, which can be fixed and removed, having a ladder part (20c) formed at either a head board (1c) or a foot board (2c), or at both of them; an upper bed (b3c) stacked on the middle bed, which can be fixed and removed, having the ladder part (20c) formed at either the head board (1c) or the footboard (2c), or at both of them; and a leaning ladder (5).</p> |
