(57) A display device comprises a flat sleeve (16) in which two moveable members (40,
56) are slidably mounted. One of the members (40) can be pulled from one end of the
sleeve in one direction, and the other moveable member (56) is connected to said one
moveable member (40) via an endless band within the sleeve so that it slides in the
opposite direction. An aperture is formed part-way along the sleeve so that both moveable
members can be seen. As the members move apart, they reveal a display portion (82).
The sleeve (16) and moveable members (40, 56) can be printed with advertising or promotional
matter, and the display panel can be printed with a message which is revealed when
the members (40, 56) move apart.
In a further embodiment, the moveable members overlap each other behind the aperture,
and in another embodiment said other moveable member is fashioned as an indicator
which moves across the aperture in the opposite direction to the direction of pull
of said one moveable member.
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