| 摘要 |
A display panel arrangement comprises at least two panel holding frames having tubular uprights 14 interconnected adjacent the top and the bottom by a pivotal interconnection means which enables the angle between the planes of the frames to be varied. Each pivotal interconnection means comprises a train of at least three, preferably four gear wheels 24, 26 extending through slots in the uprights from within the upright of one frame into the adjacent upright of the other frame, means retaining the end gear wheels of the train in position within the respective uprights, and a link 136 interconnecting the gear wheel axes to maintain the gear wheels in meshing engagement. <IMAGE> |
