Collapsible structure

Details Collapsible structure Collapsible structure

2006-09-28

2009-06-30

Dunn, David (Department: 3636)

Tent, canopy, umbrella, or cane

Portable shelter

Framework

C135S143000, C135S151000

Reexamination Certificate

active

07552739

ABSTRACT:
A collapsible structure having a first fabric-covered frame defining a first side panel, a second fabric-covered frame defining a second side panel, a fabric sheet mounted on and extending along the first and second fabric-covered frames; and a plurality of frame supports mounted on the fabric sheet whereby folding of the frame supports drives the first and second side panels towards a collapsed and superimposed position, and unfolding of the frame supports drives the first and second side panels towards a spaced apart and expanded position, and wherein the first and second side panels in the collapsed and superimposed position can be twisted and folded into a compact configuration.

REFERENCES:
patent: 5370145 (1994-12-01), Wu
patent: 6289910 (2001-09-01), Zheng
patent: 6705338 (2004-03-01), Zheng
patent: 2002/0096205 (2002-07-01), Zheng
patent: 2003/0196690 (2003-10-01), Chu et al.
patent: 2326680 (1999-06-01), None
patent: 2623795 (2004-07-01), None
patent: 1676983 (2005-10-01), None
patent: 2284621 (1995-06-01), None

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