Signals and indicators – Bells – Gong type
Patent
1974-11-18
1976-03-02
Swisher, S. Clement
Signals and indicators
Bells
Gong type
116DIG9, B64B 150
Patent
active
039410790
ABSTRACT:
A visual locating device for use as an aid in finding lost persons, wherein the device comprises a high-pressure cylinder having a lighter-than-air gas stored therein, and a valve means to control the flow of gas therefrom and into an inflatable balloon. Attached to the balloon is a second valve means wherein a portion of the gas cylinder is operably engaged therein to allow gas to flow into the balloon for inflation -- and, conversely, preventing gas once contained therein from flowing out of the balloon when released. A rotatable cylindrical reel is operably attached and supported by the gas cylinder, the reel forming a spool having a tether line disposed thereon and attached to the balloon, thus allowing the balloon to ascend to the predetermined length of the line, the balloon having a prominent color so as to be easily located. A radar reflective means is also secured to the tether line.
REFERENCES:
patent: 2862531 (1958-12-01), Walker
patent: 2923917 (1960-02-01), McPherson
patent: 3310024 (1967-03-01), McConnell
patent: 3727229 (1973-04-01), Clinger
patent: 3768501 (1973-10-01), Elson
Corr Denis E.
Lo Jacono Francis X.
Swisher S. Clement
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