| 摘要 |
A variable posture bed includes a base rest located on a floor surface; a bed board arranged in a horizontal state above and opposite the base rest; a connection support portion disposed at the center of the base rest between the base rest and the bed board and that supports the bed board to be vertically movable in all directions around the center thereof; connection support portions disposed at four corners of the base rest and the bed board and that support the bed board to be vertically movable; and a drive control device that continuously moves the bed board in the vertical direction with a predetermined operation pattern and that limits the vertical movement of the head side of the bed board between the horizontal position and a predetermined upper position.
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