| 摘要 |
The frame has a rectangular base (1) with its lower surface parallel to the ground and its upper surface inclined. A vertical support (14) is attached. This has an exterior face arranged perpendicular to the lower surface of the base. The interior face of the support is perpendicular to the upper surface of the base. The base is made of a framework using at least two rectangular pieces (4,5) arranged longitudinally above the ground and parallel to it. At least two transverse pieces are provided (6,7) and these have a trapezoidal shape. ADVANTAGE - Provides simple frame which is easy to assemble and suitable for once only use. Allows use of outer wrapping.
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