Tent – canopy – umbrella – or cane – Portable shelter – Framework
Patent
1996-04-03
1997-09-09
Mai, Lanna
Tent, canopy, umbrella, or cane
Portable shelter
Framework
135130, 135137, 135117, 135 97, E04H 1540
Patent
active
056645961
ABSTRACT:
A collapsible play structure comprises one or more play modules connected together, each play module comprising at least three foldable frame members, each having a folded and an unfolded orientation. A fabric material substantially covers each frame member to form a side panel for each frame member when the frame member is in the unfolded orientation. Each side panel further comprises at least three sides. The left side of each side panel is connected and hinged to the right side of an adjacent side panel, and the right side of each side panel is connected and hinged to the left side of another adjacent side panel. The bottom side of each side panel is adapted to rest on a supporting surface to support the play module.
REFERENCES:
patent: 3502091 (1970-03-01), Corbin
patent: 3807421 (1974-04-01), Geiger et al.
patent: 4133149 (1979-01-01), Angress
patent: 5038812 (1991-08-01), Norman
patent: 5222513 (1993-06-01), Hilliard
patent: 5301705 (1994-04-01), Zheng
patent: 5394897 (1995-03-01), Ritchey et al.
patent: 5467794 (1995-11-01), Zheng
Mai Lanna
Sun Raymond
LandOfFree
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