Signals and indicators – Indicators – By location
Patent
1997-11-07
2000-12-12
Hirshfeld, Andrew H.
Signals and indicators
Indicators
By location
182 3, 441 93, 441114, B63C 915
Patent
active
061583804
ABSTRACT:
Lifesaving device for people in avalanches with two balloons at least one balloon is a tear-resistant balloon, which can be securable close to a user's body by means of an attachment. In an emergency the device is inflated by mean of pressurized gas so that it, just like a buoyancy body, keeps its user at the surface of the avalanche. A filling device connects at least one of the balloons to at least one pressurized gas container. The filling device includes a device to open the container and is connected to a filling hole of the balloon, in which case the pressurized gas container with filling device is secured, independent of the balloon, to the body of the user. Each balloon includes at least one pressurized gas container. The filling device for a complete, full filling of the balloons by means of the pressurized gas drawn from the pressurized gas bottles is connected via a pressure line to the filling hole of the balloon. All opening devices can be actuated via a common release mechanism.
REFERENCES:
patent: 1632447 (1927-07-01), Lemoine
patent: 3951260 (1976-04-01), Frazee
patent: 4635754 (1987-01-01), Aschauer et al.
patent: 5429244 (1995-07-01), McCreary
Aschauer Peter
Bauer Helmuth
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