| 摘要 |
<p>PROBLEM TO BE SOLVED: To provide a bed in which the lowest position of a bed floor body can be set extremely low. SOLUTION: In this bed provided with a fixed front wall 6, a fixed rear wall and the bed floor body 1 set between the both, is equipped with a lifting means 13 for lowering the bed floor body 1 to a setting floor surface 8. The lifting means 13 is provided with a synchronous electric motor 11 and a screw shaft and nut mechanism 12, which are independently provided within each of the fixed front wall and the fixed rear wall.</p> |
