Movable contact element for panel switch and method of manufactu

Details Movable contact element for panel switch and method of manufactu Movable contact element for panel switch and method of manufactu

1997-04-17

1998-12-08

Friedhofer, Michael A.

Electricity: circuit makers and breakers

Solid contact

Membrane type

29622, H01H 1100, H01H 1370

Patent

active

058457666

ABSTRACT:
A movable contact element for a panel switch, wherein the movable contact element is protected against contamination until the movable contact element is assembled with a fixed contact element to form the panel switch. The movable contact element use a dome shaped inverting action type diagram made of a metal plate having a spring property. The diaphragm is fitted within an opening in a film by adhesive tape fixed to a convex side of the diaphragm and an upper surface of the film. A protective film with adhesive is glued to the lower surface side of the film to cover the concave portion of the diaphragm so as to protect the movable contact. The protective film is peeled away from the movable contact just before the movable contact is positioned over a fixed contact element and affixed thereto to form the panel switch.

REFERENCES:
patent: 4033030 (1977-07-01), Robinson et al.
patent: 4083100 (1978-04-01), Flint et al.
patent: 4263485 (1981-04-01), Corwin
patent: 4463234 (1984-07-01), Bennewitz
patent: 5224591 (1993-07-01), Santo et al.

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