| 摘要 |
PURPOSE: A collapsible bed is provided, which can prevent a bed from being drastically rotated by self-weight when the bed is ascended or descended. CONSTITUTION: A collapsible bed comprises: a supporting shaft(600) fixed to the main body through a bracket(300); a bed frame(400) rotated around the supporting shaft; a positioning plate(150) fixed to the supporting shaft in one side of the bed frame; and a plurality of springs which are installed in order to have different elastic force between fixing blocks fixed to the bed frame. The bed frame includes is equipped with a covering member performing a role of a supporting board.
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