| 摘要 |
A bed apparatus is provided which has a support frame, a rotation frame and a bed plate structure. The rotation frame has a one-end side and other-end side supported in a width direction so that one of these end sides each serving as a fulcrum is rotatable in a direction in which an opposite-end side of the rotation frame is raised. A link mechanism is connected to the rotation frame and driven by a drive source. The bed plate structure comprises a middle bed plate assembly and a pair of side bed plate assemblies connected to the middle bed plate assembly such that these side bed plate assemblies can be rotated in the raised direction only. With the rotation frame rotated, one of these side bed plate assemblies which is situated on a lower side in the rotation direction is abutted against the support frame to allow the bed plate structure to be bent upwardly.
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