| 摘要 |
PURPOSE: A holder for supporting a bed of nutrient solution is provided to support several arranged beds in series, and to control a gap between beds by a rotating apparatus. CONSTITUTION: A holder for supporting a bed of nutrient solution which is rotated forward and reverse direction by a rotating apparatus(11) formed on one side comprises a turning table(10); and a supporting board(20) which controls a gap between beds through rotation of turning table by supporting a bed. A supporting board comprises a vertical supporting board(21) whose upper side circulates according to winding and unwinding direction of connecting material connected to both ends of connecting member; a central supporting board(22) installed by a hinge apparatus(25); and a supporting board(23) which serves as a central role of circulation of vertical supporting board. A bed supporting board(24) which supports a bed connected horizontally is installed on the upper side of the vertical supporting board. |
