| 摘要 |
A changeable sign, comprising a housing (2) formed with at least one display opening (3) for displaying a sign, a plurality of three-sided sign elements (4) mounted in parallel side-by-side relation in the housing with each sign element rotatable about its respective longitudinal axis and a drive (5) for rotating said sign elements to change the displayed sign. Each side of the sign elements bears a section of an overall sign to be displayed through the display opening in the housing according to the rotary positions of said sign elements. The sign elements are mounted in a plurality of assemblies each including a plurality of sign elements, with each assembly rotatable about its respective longitudinal axis and the drive rotates each assembly about its respective longitudinal axis, and also rotates each sign element about its respective longitudinal axis, to change the displayed sign.
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