Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1992-06-29
1993-10-26
Recla, Henry J.
Electricity: circuit makers and breakers
Electric switch details
Actuators
200 6159, H01H 902
Patent
active
052568423
ABSTRACT:
In a preferred embodiment, a cover for a sensor button having a shell portion and a touch zone on the upper surface of the sensor button, the cover comprising: an electrically conductive wall portion surrounding the shell portion; an electrically conductive upper portion attached to the wall portion and substantially overlying the upper surface of the sensor button; and an opening defined in the upper portion to expose a small portion of the touch zone, the opening being sized so as to accept therein a touch probe having a cylindrical shell with a contact disposed concentrically therein and extending from the end thereof.
REFERENCES:
patent: 3317698 (1967-05-01), Mansfield
patent: 3676750 (1972-07-01), Hawks
patent: 4013835 (1977-03-01), Eaclus et al.
Barrett Glenn T.
Crozier John H.
Recla Henry J.
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