| 摘要 |
The invention relates to a display apparatus for changing images. The apparatus comprises a cassette unit adapted for replacement as a single unit . The cassette unit comprises multiple sheet-formed image carriers (21,22,23,24). The image carriers (21,22,23,24) comprises image parts constituting at least two different images. The image carriers (21,22,23,24) are subdivided into panels adapted for sliding between each other. The cassette unit further comprises a back plate (42) covering a side of one of the image carriers (21,22,23,24). The display apparatus further comprises moving means (30) for moving the different image carriers (21,22,23,24) relative to each other, and a frame (28) for supporting the cassette with th e image carriers (21,22,23,24) and the moving means. According to the inventio n, one of the image carriers (21,22) is fixedly attached to the back plate (42) along its edges. The back plate (42) is movable relative to the frame (28), and the moving means (30) is adapted for moving the back plate (42).
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