Arched structure

Details Arched structure Arched structure

E - Fixed Constructions

04

B

E04B 7/00 (2006.01) E04B 1/32 (2006.01) E04H 15/36 (2006.01)

Patent

CA 2079935

ABSTRACT ARCHED STRUCTURE An erectible and collapsible arched structure comprises a plurality of segments (1) which are connected end-to-end so as to extend longitudinally as an arched form in an upright plane when erected, a hinge connection (5) being provided between adjacent segments (1) with a hinge axis (X-X) that extends laterally of said upright plane, abutment means (6, 7, 8) being provided at the ends of adjacent segments spaced inwardly of the hinge axis (X-X) towards the underside of the arched form so as to cooperate in compression when the arched structure is erected, and a cable (10) extending longitudinally of the arched structure between end segments thereof along a path spaced inwardly of the hinge axes (X-X) and cooperating with each segment (1) so that when tensioned it holds the structure in its erected arched form. The cable returns across a chord of the arch to one end provided with a winch (13). Restraining ties (6) are provided between adjacent ends of the segments so as to limit the hinging action when the structure is collapsed.

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