Patent ID: 7896016

Claim:
A hub assembly for use in collapsible structures, said assembly comprising: a hub body ( 20 ) having a centre opening and a plurality of slots extending from the centre opening to a periphery of the hub body; a cover ( 22 ) disposable in the centre opening; a plurality of flexible members ( 24 ) that are deformable, each flexible member having a first portion and second portion and further having a first contact surface and a second contact surface, the first portion being disposed in the a slot; and a plurality of poles ( 26 ) coupled to the second portion of the flexible members ( 24 ) by a plurality of hinges ( 28 ), wherein the flexible members ( 24 ) are deformable to move about a plurality of interface points ( 36 ) between a first position contacting the first contact surface and a second position contacting the second contact surface to rotate each of the poles ( 26 ) having a constant rotating centre between a close position and an open position.