| 摘要 |
PROBLEM TO BE SOLVED: To enable to fix a detachable side frame without rattling. SOLUTION: In a first support pillar to be inserted into an engaging hole 3 on a side frame 2 of a bed integrally constituted by a hollow pipe, a shaft member 8 is lifted up to a specified distance by setting an operation lever 9 in a horizontal state, and thus an elastic deformation member 11 is deformed to be expanded in the radius direction to bring the elastic deformation member 11 is brought into contact with the first support pillar and fixed to be without rattling and so as not to be drawn off. |
