| 摘要 |
PURPOSE: A banner stand is provided to hold a number of banners, improve promotion effects, and manage the banners without causing damage to the banner. CONSTITUTION: A banner stand comprises storage boxes (2) between the right and left supports (1,1a). The supports and the storage boxes are connected by a storage box elevating unit (3). A banner rotating unit (4) is installed in the storage box. The storage box elevating unit is connected by a support plate (10) on the top of the right and left supports. A transverse shaft (11) is supported by bearings (12) on the support plate. A chain gear (13) is provided on the front end of both ends of the transverse shaft. A chain gear (13a) on the lower part of the support and the chain gear of the transverse shaft are connected by elevating chains (14,14a) in both sides. A power transmission unit (15) has a speed reducer in the chain gear of the right support. |
