Flight instrument flag annunciator

Details Flight instrument flag annunciator Flight instrument flag annunciator

1987-11-30

1989-04-18

Shoap, Allan N.

Signals and indicators

Vehicle

Motion and direction

116 43, G01D 1300

Patent

active

048216690

ABSTRACT:
A flight instrument flag annunciator has a motor, a flag mechanism having a flag shutter driven by the motor, a tension spring for rotating the flag shutter in a counterclockwise direction, a drive cord connected to the motor for rotating the flag shutter in a clockwise direction, support members for supporting the motor and the flag mechanism, and guide members for guiding the drive cord between the motor and the flag mechanism.

REFERENCES:
patent: 1245731 (1917-11-01), Jones
patent: 1291928 (1919-01-01), Koehler
patent: 1379503 (1921-05-01), Kennedy et al.
patent: 1397463 (1921-11-01), Squier
patent: 1457260 (1923-05-01), Mason
patent: 1463997 (1923-08-01), Hearn et al.
patent: 1529443 (1925-03-01), McBeau
patent: 1751206 (1930-03-01), Hueller
patent: 2097056 (1937-10-01), Briezhle
patent: 2329782 (1943-09-01), Panissidi
patent: 2858643 (1958-11-01), Snauley

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