Change-over position display device for use in a switch

Details Change-over position display device for use in a switch Change-over position display device for use in a switch

1982-10-29

1984-06-12

Shepperd, John W.

Electricity: circuit makers and breakers

Electric switch details

Indicators

200DIG47, 200313, H01H 916

Patent

active

044543999

ABSTRACT:
A change-over position display device for use in a switch having a switch casing in which a movable contact is displaced to at least two positions through a pushing operation or a pulling operation of an operation knob. The device includes a plurality of change-over position display portions provided on the operating knob, an illuminating light source and a movable light guide for introducing illuminating light from the illuminating light source to any one of the plurality of the change-over position display portions in response to the pushing operation or the pulling operation of the operating knob.

REFERENCES:
patent: 3769482 (1973-10-01), New et al.
patent: 3780248 (1973-12-01), Martin
patent: 3855959 (1974-12-01), Hinze
patent: 3855961 (1974-12-01), Schadow
patent: 3895204 (1975-07-01), Lewis

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