| 摘要 |
FIELD: personal use articles.SUBSTANCE: according to one embodiment, the device consists of a base 1, a cover 2, two side walls 3 and 4. The base 1 and the cover 2 are interconnected with the ability of folding. The side walls 3 and 4 are arranged opposite each other and each is connected with one edge of the base 1 and one edge of the cover 2 with the ability of folding between the base and the cover, at that for keeping the base and the cover in the open state the stopper is provided. The side walls may be made corrugated or of soft material such as fabric. In another embodiment, the device comprises a base 10, a cover 11, a first side wall 12 and a second side wall 13. The base 10 and the cover 11 are provided with a spring element 14 to keep them in the open state. Keeping the device in the open state is performed by the side walls. In the next embodiment, the device comprises a base 16, a cover 17, the side walls, each of which consists of two parts. At that the first part 18, 19of each side wall is connected to the cover with the ability of folding on the cover, and the second part 20, 21of each side wall is connected to the base with the ability of placement on the base, at that the first and the second parts of each side wall are mounted with the ability of interaction and fixation.EFFECT: improved operational reliability.17 cl, 12 dwg |
