Signals and indicators – Indicators – Push-button type
Patent
1986-07-10
1987-08-25
Frankfort, Charles
Signals and indicators
Indicators
Push-button type
116DIG28, 116202, G09F 900, G02B 504
Patent
active
046885129
ABSTRACT:
A back lighted trip indicator for a circuit breaker comprising an opaque tubular shield and a light translucent prism telescopically received in the shield and movable from a position totally within said shield when the manual operator is in the "ON" position to an exposed condition when the manual operator moves to the "OFF" position thereby to reflect ambient light through a frontal face on the prism to back light indicia on the frontal face of the prism.
REFERENCES:
patent: 3213269 (1965-10-01), Melvin et al.
patent: 3636915 (1972-01-01), Ruppert
patent: 4385221 (1983-05-01), Dorfler
patent: 4409574 (1983-10-01), Misencik et al.
patent: 4412193 (1983-10-01), Bienwald et al.
patent: 4466042 (1984-08-01), Zylstra et al.
Alper Daniel D.
Bakhaus Kenneth C.
Estkowski Michael H.
Frankfort Charles
Lyon Lyman R.
Mechanical Products, Inc.
Worth W. Morris
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