Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1975-10-20
1977-04-26
Schaefer, Robert K.
Electricity: circuit makers and breakers
Electric switch details
Indicators
116124L, H01H 900
Patent
active
040203093
ABSTRACT:
The invention comprises apparatus for performing a switching function in aircraft display instruments for providing a high contrast annunciation or indication thereof having a pair of transversal members disposed such that the depression of one of the members causes the rocker arm of a rocker switch engaged therewith to actuate according to the respective member. A linking member pivotally coupled between the two transversal members rotates through a fixed angle in response to the opposing movements of the transversal members causing a pivotally fastened indicator member with which it communicates to rotate such that a portion of the indicator member is rotated toward the face of the display instrument and provides an appropriate annunciation of the switch status.
REFERENCES:
patent: 601276 (1898-03-01), Platt
patent: 3029334 (1962-04-01), Anderson et al.
Leinweber Donald Harder
Neis Thomas Walter
Ginsburg Morris
Schaefer Robert K.
Sperry Rand Corporation
Terry Howard P.
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