PROBLEM TO BE SOLVED: To provide a bunk bed in which a ladder is connected but not obstructive while it is not used.;SOLUTION: The ladder 4 is connected with a bar 20 via a ring-formed member 5 having a long hole 25. When climbing up to and down from an upper bed 3, the ladder 4 is made to be in an attitude of leaning against the upper bed 3 (refer to Fig. (a)). When the ladder 4 is not used, the ladder 4 is slid and displaced along the length direction of the ladder 4 as indicated by an arrow 30 in the figure, and the lower ends 21B and 22B of the ladder 4 are turned in a direction indicated by an arrow 31 about a bar 20. Thus, it is possible to position the ladder in an attitude along the front crosspiece plate 17 of the upper bed 3 ( refer to (b)), that is the attitude of extending in a vertical direction.;COPYRIGHT: (C)2008,JPO&INPIT
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