| 摘要 |
The present invention relates to a movable advertising display device for shopping trolleys, characterised in that the device 4' for driving the film 3 consists of a flexible cable 23 connected to a wheel of the trolley and protected by a sheath 24 which is integrated with the chassis 25 of the trolley, this cable 23 being linked, at one end, to the hub of the wheel, and, at its other end, to a drive pinion, and by a device with a mechanical time delay for activating a drive shaft of the film 3. <IMAGE>
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