Hub assembly

Details Hub assembly Hub assembly

2011-03-01

2011-03-01

Dunn, David (Department: 3636)

Tent, canopy, umbrella, or cane

Portable shelter

Framework

C135S135000, C135S120300

Reexamination Certificate

active

07896016

ABSTRACT:
A hub assembly for use in collapsible structures, said assembly having: 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 (20), a cover (22) disposable in the centre opening, a plurality of flexible members (24) having a plurality of first portions and a plurality of second portions, the first portion being disposed in the slots and a plurality of poles (26) coupled to the second portions of the flexible members (24) by a plurality of hinges (28), wherein the flexible members (24) are operable to move about a plurality of interface points (36) between the first portions and the second portions to rotate each of the poles having a constant rotating centre between a close position and an open position.

REFERENCES:
patent: 4280521 (1981-07-01), Zeigler
patent: 4437275 (1984-03-01), Zeigler
patent: 4627210 (1986-12-01), Beaulieu
patent: 4981387 (1991-01-01), Younjae
patent: 5069572 (1991-12-01), Niksic
patent: 5074700 (1991-12-01), Swoboda
patent: 5626434 (1997-05-01), Cook
patent: 5797695 (1998-08-01), Prusmack
patent: 6378265 (2002-04-01), Konstandt
patent: 6475117 (2002-11-01), Berglund et al.

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