Aeronautics and astronautics – Aircraft – lighter-than-air – Balloons
Patent
1989-01-23
1990-03-27
Barefoot, Galen
Aeronautics and astronautics
Aircraft, lighter-than-air
Balloons
244 98, 116210, 116DIG9, 141313, 141114, 446220, B64B 158, A63H 2710
Patent
active
049113798
ABSTRACT:
While the broad invention is directed to a device automatically releasable of a balloon when a predetermined degree of inflation has been achieved, in a preferred combination there is included the inflatable balloon, the balloon being restrained by a restraining mechanism until inflation by a lever mechanism when moved beyond a predetermined point representing the degree of balloon inflation desired, causes the restraining mechanism to release the balloon, and the restraining mechanism including a biasing spring to facilitate rapid release, together with the balloon gas-input spincter rubber valve having inserted therethrough a gas-inflating needle providable of inflating gas from a compressed or pressurized gas source or gas container contained in an open-top box having a lid, until the opening of the lid actuates a gas-release valve to inflate the balloon; release of the inflated balloon facilitates the pulling of the balloon's spincter rubber valve off-of the gas-inflating needle, the gas being preferably lighter than air such that the balloon floats upwardly when inflated and released from the box.
REFERENCES:
patent: 1768327 (1930-06-01), Nichols
patent: 3154050 (1964-10-01), Hanson
patent: 3380490 (1968-04-01), Ellenberg et al.
patent: 3536110 (1970-10-01), West
patent: 3735723 (1973-05-01), Lutz
patent: 3973603 (1976-08-01), Franz
patent: 4564159 (1986-01-01), Hill et al.
patent: 4795112 (1989-01-01), Hashimoto
Barefoot Galen
Hough William T.
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