公开(公告)号：US5488791A

公开(公告)日：1996-02-06

申请号：US162348

申请日：1993-12-02

申请人： Alfredo Boni

发明人： Alfredo Boni

IPC分类号： G09F11/21 ,  G09F11/18

CPC分类号： G09F11/21

摘要： A device comprising a box having a transparent wall illuminated from the inside. The advertisements are joined to form a single flexible strip support which is wound and unwound between two parallel rollers. One of the rollers is fitted removably to the frame of the device, for enabling the support to be changed, and is rotated intermittently by an electric geared motor. The other roller is rotated by a torsion spring which provides for constantly tensioning the support.

摘要翻译： 一种装置，包括具有从内部照亮的透明壁的箱体。 广告被连接以形成单个柔性条状支撑，其在两个平行的辊之间缠绕和展开。 其中一个辊可拆卸地装配到装置的框架上，以使支撑件能够改变，并且由电动马达电动机间歇地旋转。 另一个辊由扭簧弹簧旋转，扭力弹簧提供持续张紧的支撑。