Tent – canopy – umbrella – or cane – Portable shelter
Patent
1994-03-14
1996-01-30
Wood, Wynn E.
Tent, canopy, umbrella, or cane
Portable shelter
135 97, 135128, 135124, 52 211, 52 222, E04B 134
Patent
active
054874009
ABSTRACT:
A self-inflating tent comprising a mattress formed of a sheet in a planar configuration; a raised shaped tent having a lower peripheral edge secured to the mattress adjacent to its periphery but inboard thereof to provide a flange at the outer most periphery to constitute a ground rim; the material of the tent and mattress being fabricated of an open cell polyurethane, each with an exterior and interior liner of an air impervious flexible plastic; a first valve coupled to the tent to allow the flow of air into the tent material and to allow exiting of air therefrom when the tent material is compressed when the valve is opened; and a second valve coupled to the mattress to allow the flow of air into the mattress material and to allow exiting of air therefrom when the mattress material is compressed and the valve is opened.
REFERENCES:
patent: 2830606 (1958-04-01), Daugherty
patent: 3999333 (1976-12-01), Amarantos
patent: 4000585 (1977-01-01), Denaro
patent: 4000749 (1977-01-01), Busco
patent: 4031674 (1977-06-01), Rand
patent: 4295302 (1981-10-01), Liu
patent: 4335545 (1982-06-01), Couch
patent: 4384435 (1983-05-01), Polise et al.
patent: 4766918 (1988-08-01), Odekirk
patent: 4819389 (1989-04-01), Kihn
patent: 5115525 (1992-05-01), Lovitt
patent: 5226261 (1993-07-01), Wilbourn et al.
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