| 摘要 |
<p><P>PROBLEM TO BE SOLVED: To provide a plant cultivation device which can adjust an interval of movable beds to be cultivation tanks by a simple structure and control, and eliminates the use of a detecting element such as a magnetic proximity sensor to eliminate the risk of generation of a detection error, and to provide an operation method of the movable bed in the plant cultivation device. <P>SOLUTION: A plurality of units (A-D) of bed connection units 10 composed by bonding at least two movable beds 2 with a connecting pipe 3 are provided, each bed connection unit 10 having a driving mechanism 4 installed thereto for moving the movable bed 2 along a traveling rail 1 as the units (A-D). <P>COPYRIGHT: (C)2012,JPO&INPIT</p> |
