Electricity: circuit makers and breakers – Multiple circuit control – Multiple switch
Patent
1980-06-16
1983-02-22
Scott, J. R.
Electricity: circuit makers and breakers
Multiple circuit control
Multiple switch
H01H 1370
Patent
active
043750184
ABSTRACT:
A membrane switch comprised of first and second flexible layers having corresponding patterns of metallization thereon, these layers being separated by an apertured spacer. The first layer is of a larger size than the spacer and the second layer is of a smaller size than the spacer so that when the three are superposed, a border on the first layer and spacer are exposed to meet the second layer. Completing the assembly is a label layer which is of a flexible, non-conductive material having a desired pattern of graphics printed on it and an adhesive coated undersurface. When the label layer is pressed against the exposed surface of the second substrate, it bonds all three of the lower layers together and creates a seal around the perimeter of the switch assembly. With the label layer being of a greater size than the other three layers, it may also be used to affix the composite switch to the appliance on which it would be used.
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Haugen Orrin M.
Nikolai Thomas J.
Scott J. R.
Sheldahl Inc.
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