| 摘要 |
A drive assembly (10) comprising indicator means (12) for presenting a plurality of different symbols and drive means (14) for moving the symbols about different axes between different presentation positions, with at least one side or portion of the indicator means being provided with an axle (18) which is at least partly rotatable about a first of said different axes with respect to a support (20) which is at least partly rotatable about a second of said different axes under the control of the drive means, with a drive track (32) being provided around at least part of the periphery of the indicator means along which the axle (18) is to roll when the support (20) is driven by the drive means. |
