Safety apparatus for hang glider

Details Safety apparatus for hang glider Safety apparatus for hang glider

1987-08-31

1988-10-11

Barefoot, Galen

Aeronautics and astronautics

Miscellaneous

244904, 244 16, 340540, 340575, B64D 4700, B64C 3102

Patent

active

047765305

ABSTRACT:
A safety apparatus for a hang glider that indicates any failure of a pilot to properly hook in a flight harness. The apparatus includes a circuit having a power source, such as a dry cell battery, connected to an alarm through a harness hook in sensor. When the pilot fails to properly hook in the harness, an alarm sounds. The circuit also includes an on/off switch that activates the circuit only in direct response to erection of the hang glider. Thus, the circuit is deactivated when the hang glider is disassembled for transport to or from a launch site and during storage. Consequently, annoying alarm soundings are avoided and battery life is increased. In addition, the circuit includes a deactivation switch that prevents the alarm from sounding when the hang glider is resting on the ground. Finally, a test switch is provided to allow manual testing to confirm proper activation and operation of the circuit.

REFERENCES:
patent: 4272039 (1981-06-01), Hollingsworth
patent: 4688022 (1987-08-01), Gray
"The Mid-Year Accident Report" in Hang Gliding, Jul. 1987.
"1986 Accident Review" in Hang Gliding, Mar. 1987.
Hang Gliding, Illustrations in Apr. 1987 Issue, pp. 9 and 14.

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