Tent – canopy – umbrella – or cane – Worker or spectator shelter
Patent
1998-06-09
1999-11-16
Aubrey, Beth
Tent, canopy, umbrella, or cane
Worker or spectator shelter
135901, 52 791, 43 1, E04H 1502
Patent
active
059839139
ABSTRACT:
The invention is a scent-free wildlife blind. The blind has a room-like shelter having a door, a plurality of windows, a small vent near ground level, and a flexible tube extending from the top of the shelter to a height of approximately 30 feet from the ground. When the wind hits the shelter, the windspeed will be higher at the top of the tube than at the bottom vent. The pressure exerted by the wind on the air inside the shelter is inversely proportional to the wind speed. Therefore, the pressure difference will force air in through the bottom vent and out through the top of the tube, carrying the scent of the occupants out of the blind high enough so that nearby animals will not smell the occupants.
REFERENCES:
patent: 3018857 (1962-01-01), Parham
patent: 4186507 (1980-02-01), Stinnett
patent: 4606142 (1986-08-01), Reneau
patent: 4719716 (1988-01-01), Chrisley, Jr.
patent: 4794717 (1989-01-01), Horsmann
patent: 4798019 (1989-01-01), Sury et al.
patent: 5101604 (1992-04-01), Wardlaw
patent: 5371966 (1994-12-01), Hall
patent: 5749387 (1998-05-01), Thompson
Aubrey Beth
Litman Richard C.
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