Push button indicating device

Details Push button indicating device Push button indicating device

1987-01-30

1988-09-20

Cuchlinski, Jr., William A.

Signals and indicators

Indicators

Push-button type

116DIG28, 200314, G09F 900, H01H 916

Patent

active

047717254

ABSTRACT:
In a push button indicating device including a first slide member having an operational portion formed with an indicating portion on a front surface thereof, a second slide member slidably supported to the first slide member and having a substantially sectional L-shaped rotational member rotatably mounted on the side of the indicating portion, the rotational member having a light transmitting plate and a light shielding plate, a frame for slidably supporting the first slide member, and a lock for restricting a sliding position of the first slide member, wherein at least two positions of the first slide member are selected between a depressed position where the light transmitting plate faces the indicating portion and an undepressed position where the light shielding plate faces the indicating portion; the improvement comprises a light guiding member provided in the second slide member for guiding light to the rotational member, and a light transmitting hole formed through at least both of the first slide member and the frame for forming a light path leading to the light guiding member when the first slide member is in the undepressed position.

REFERENCES:
patent: 2440063 (1948-04-01), Andrews
patent: 3213269 (1965-10-01), Melvin et al.
patent: 3619591 (1971-11-01), Korski
patent: 3780248 (1973-12-01), Martin
patent: 3895204 (1975-07-01), Lewis
patent: 4395611 (1983-07-01), Kondo et al.

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