| 摘要 |
PROBLEM TO BE SOLVED: To attach side fences at a bottom side in accordance with a usage situation even in a bed provided with existing side frame insertion type side fences. SOLUTION: A base frame member 6 is attached to the width direction end part of a back bottom 3a with an arrangement frame 6a. An auxiliary attachment tool 7 for holding each side fence is arranged in the base frame member 6 with a pair of leg parts and moved on the member 6 so that the side fence is held at a desired position. The tool 7 is provided with a pair of attachment members 7a and 7b for arranging a pair of leg parts in the side fence, attachment holes 9 for inserting and holding the leg parts are formed in the members 7a and 7b and a grasping arm 10 to be fixed to the member 6 is disposed by putting it on the member from upper and lower parts. |
