| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a bed preventing interference between mattresses laid on a back side frame and a lumbar side frame when the back side frame is erected. <P>SOLUTION: A trisected back side frame 4, lumber side frame 5 and leg side frame 6 are aligned on a body frame 1. By supporting an arced guide member 8 fixed to a back side frame 4 by a supporting member 13 fixed to a body frame 1 side, when the back side frame 4 is erected, the back side frame 4 is moved in a direction away from the lumbar side frame 5, an interval is formed between the lumbar side frame 5 and the back side frame 4, and the interference between the lumbar mattress 33B and the leg mattress can be prevented. <P>COPYRIGHT: (C)2004,JPO</p> |
