| 摘要 |
PROBLEM TO BE SOLVED: To provide a simple greenhouse without occupying a wide space during storage in spite of its firmness when installed. SOLUTION: This simple greenhouse is formed of front and rear frame units (1) and (2) composed of metal wiry materials, connecting rods (4) mutually connecting mutually corresponding vertical columnar members (3) of the front and rear frame units (1) and (2) and cylindrical covering materials (6) made of a synthetic resin film covering the outer periphery of a structure (5) formed of the front and rear frame units (1) and (2) and the connecting rods (4) and is obtained by connecting the front and rear frame units (1) and (2) and the connecting rods (4) in a state rotatable around the axial center of the vertical columnar members (3) by fitting.
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