| 摘要 |
PCT No. PCT/NZ94/00032 Sec. 371 Date Dec. 14, 1995 Sec. 102(e) Date Dec. 14, 1995 PCT Filed Apr. 15, 1994 PCT Pub. No. WO94/24392 PCT Pub. Date Oct. 27, 1994A structure including a collapsible and erectable frame on which a fabric skin is arranged to be mounted in use, the frame having a central hub with pivotal connections from which at least three legs radiate outwardly and downwardly when in the erected position. The central hub incorporates an upwardly projecting first fitting engageable with a central portion of the fabric skin, and each leg has a bend section which is provided with a second outwardly directed fitting and a third outer foot end fitting with which respective intermediate and lower end mounting portions of the fabric skin are engaged. The arrangement provides that the fabric skin is supported clear of contact with the frame except at the outer connections with the fittings and is maintained in a stable biaxial tensioned state by adjustment of the third foot end fitting between first and second positions on movement of a foot end lever.
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