| 摘要 |
The wall structure comprises window sections (1) which can be completely detached from their mounting by means of quick-action fasteners. The lifting mechanism cam comprise travel rollers (11), pivot bearings and a double link (10). The lifting arm (12) is movable horizontally on the vertical supporting arm (13). It can also be moved vertically by a handwheel (17), gear train and a screwed bar.
|
