| 摘要 |
<p>Modular stage platform comprises a pair of parallel, spaced-apart base members each comprising an elongated extrusion having an upstanding wall defining a continuous toe plate and an inwardly facing channel at the bottom thereof, the channels of the pair of spaced apart base members being opposed to each other, a plurality of equispaced transverse tublar members having opposite ends inserted into said opposed channels and secured thereto along said base members, a pair of parallel, spaced-apart midrails, each comprising an elongated U-shaped extrusion having a pair of walls depending downwardly from a web, said walls having opposed ridges formed on their inner sides spaced from the distal ends thereof and spaced from the web to form a continuous, downwardly-facing recess along the length of each rail and an inner box-like cavity, a plurality of equispaced vertical tublar members having their upper ends inserted into said recess and their lower ends abutting the base member channel rigidly secured thereto in alignment with the said transverse members to form a plurality of equispaced, U-shaped tubular reinforcing units, a plurality of diagonal tubular members extending from the rail to the base member and secured thereto, elongated flooring members seated on said transverse members and secured thereto, and connectors formed at the opposite ends of each of the base members and midrails for connecting a plurality of modular stage platforms together end-to-end.</p> |
