| 摘要 |
PCT No. PCT/GB88/00025 Sec. 371 Date Jul. 17, 1989 Sec. 102(e) Date Jul. 17, 1989 PCT Filed Jan. 15, 1988 PCT Pub. No. WO88/05489 PCT Pub. Date Jul. 28, 1988.A modular tent structure comprises a canopy structure (20) including a peripheral frame (23) adapted to support a covering roof sheet (24) and comprising collapsible sides, each constituted by a central crown joint structure to each side of which is pivoted a laterally extending support member (34), and a tie member releasably interconnecting the crown joint structure and the pivotally-connected laterally-extending support members (34). An axially-extendible mast structure is disposed centrally of the peripheral frame and is adjustable to vary tension in the covering roof sheet (24). Bracing means releasably interconnect the central mast structure and each central crown joint of the peripheral frame (23). The canopy structure (20) is adapted to be supported above ground by corner pillars (21), each pillar (21) having on two adjacent faces connecting or haunch plates to which canopy structure (20) is detachably connected, and the pillars (21) having open vertical housings or formations for receiving side wall retention elements.
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