Apparatus for indicating the position of rotating mechanical ele

Details Apparatus for indicating the position of rotating mechanical ele Apparatus for indicating the position of rotating mechanical ele

1977-04-15

1979-07-10

Smith, Robert I.

Electricity: circuit makers and breakers

Electric switch details

Indicators

H01H 900

Patent

active

041608909

ABSTRACT:
An apparatus for indicating the position of at least two rotatable mechanical elements in an indication field of a rotary switch, includes a pair of rotatable elements; an indication panel; a transparent dial skirt connected to each rotatable, each skirt having representative symbols arranged in an area along the outer periphery thereof for indicating the position of the rotatable elements and the areas of the skirt with the symbols overlapping in the indication panel.

REFERENCES:
patent: 3699789 (1972-10-01), Potzick
patent: 3720800 (1973-03-01), Arnold
patent: 3754106 (1973-08-01), MacDonald
patent: 3879692 (1975-04-01), Wisser et al.
patent: 3988553 (1976-10-01), Astle

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