Indicator with hub lighting system and 360.degree. concentric po

Details Indicator with hub lighting system and 360.degree. concentric po Indicator with hub lighting system and 360.degree. concentric po

1975-12-18

1976-12-14

Moses, R. L.

Buckles, buttons, clasps, etc.

116129L, 240 1LP, G01D 1128

Patent

active

039977773

ABSTRACT:
A hub lighted indicator suitable for aircraft applications including one or more pointers, each capable of a full 360.degree. excursion over the dial face. The pointers include a portion which extends through a central circular aperture in the dial between the dial and the hub lighting member and are connected in a non-interfering manner to corresponding ring gears mounted for rotation coaxially with the dial aperture. The ring gears are driven in accordance with the quantities being measured to cause a corresponding excursion over the dial face of the connected pointer. Electrical connections are made to the hub lighting member from the rear portion of the indicator through the center portions of the ring gears.

REFERENCES:
patent: 2702340 (1955-02-01), Thieblot
patent: 2806132 (1957-09-01), Swanson et al.
patent: 3621811 (1971-11-01), Hill
patent: 3819928 (1974-06-01), Kuroyama

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