| 摘要 |
The traffic warning sign is readily transportable and stable when erected, and facilitates erection of other traffic signs in a group. It is simply inserted into the plinth(7) which is closed and weighted. On its narrow sides and fixtures(1c) for retention of other traffic signs(12, 15). It can be an extruded plastics unit, with retainer rails formed on the narrow sides, for attachment of vertically displaced retainers(10) with support arms(11). The rails can be T-sectioned, and gripped by C-sectioned retainers, while the arms are U-sectioned. |
