Momentary push button switch

Details Momentary push button switch Momentary push button switch

H - Electricity

01

H

306/304

H01H 13/26 (2006.01)

Patent

CA 1225424

MOMENTARY PUSH BUTTON SWITCH ABSTRACT OF THE DISCLOSURE: A flat, self-contained push button switch provided with panel attachment structure and depending contacts for electrical connection to a printed circuit board. The switch includes a plastic housing into which three contacts are mounted. A resilient metallic click washer having a domed cross-sectional configuration is mounted in the housing above the contacts. A plastic button is movably mounted in the housing between the click washer and an upper retaining ledge of the housing. Initial downward movement of the button causes the click washer to engage two of the contacts. Continued movement of the click washer causes it to snap-over or invert thereby to engage a first one of the two contacts with the third contact. The inverting action of the click washer provides tactile feedback (feel). -1-

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