| 摘要 |
PURPOSE: To prevent a floor part following type side fence from colliding against a fence on a fixed side when a floor part is raised up. CONSTITUTION: A floor part loading type side fence 4 is loaded on a guide member 8 attached on the lower face of a back bottom 3 slidably via a base member 9. The relative position of a frame member 12 at the tips of engaging arms 11a, 11b when the back bottom 3 is set horizontally and erected for the back bottom 3 is varied by setting the connecting part of the back bottom 3 and a waist bottom 5 differently from the turning center part of the engaging arms 11a, 11b, and the floor part loading type side fence 4 can be displaced in the longitudinal direction of a bed by moving by displacing the base member 9 of the floor part loading type side fence 4 by interlocking and turning a pair of transmission arms 13a, 13b. In this way, the fence can be prevented from colliding against each other even when the floor part loading type side fence erected and brought down following a floor part is placed adjacently to the fence on the fixed side, which enables a function as the fence to be obtained. |
