| 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 the image carriers ( 21,22,23,24 ) and the moving means. According to the invention, 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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