Indicator gauge with illuminated pointer

Details Indicator gauge with illuminated pointer Indicator gauge with illuminated pointer

1978-05-26

1980-08-05

Yasich, Daniel M.

Signals and indicators

Indicators

Rotary indicator with actuating means

116DIG36, 362 29, G01D 1128

Patent

active

042156475

ABSTRACT:
Light rays for illuminating the indicating portion of the indicator pointer come from the hub portion of the same where the rotational axis of the pointer lies, so that constant illumination on the indicating portion is achieved irrespective of the angular position change of the indicating portion relative to the dial board.

REFERENCES:
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patent: 2173316 (1939-09-01), Sproule
patent: 2314817 (1943-03-01), Christensen
patent: 2328485 (1943-08-01), Ott
patent: 2831453 (1958-04-01), Hardesty
patent: 2874671 (1959-02-01), Blackwell et al.
patent: 2914021 (1959-11-01), Blackwell et al.
patent: 2916011 (1959-12-01), Molis
patent: 3005439 (1961-10-01), Ellenwood et al.
patent: 3216394 (1965-11-01), Blackwell
patent: 3241256 (1966-03-01), Viret et al.
patent: 3503365 (1970-03-01), Baez et al.
patent: 3699915 (1972-10-01), Greene
patent: 3867623 (1975-02-01), Widlund
patent: 4004546 (1977-01-01), Hartand

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