Electricity: circuit makers and breakers – Electric switch details – Indicators
Patent
1981-01-26
1982-03-16
Little, Willis
Electricity: circuit makers and breakers
Electric switch details
Indicators
200310, 361 48, H01H 902
Patent
active
043202721
ABSTRACT:
This invention relates to an arrangement for attaching discrete electrical components to a generally flat layer of sheet material. Both mechanical and electrical connections are provided by the attachment elements of the present invention. One form of the invention is directed to a membrane switch keyboard wherein one of the layers of the membrane switch has a tail extending therefrom. The tail has a free end which is adhesively secured to some portion of the keyboard. Conductive traces are formed on the tail and extend to the free end where they contact the leads of an electrical component. The component is held between the tail and the keyboard. In another aspect, which may be applied to the membrane switch keyboard just described, the invention includes a sheet material having two or more slits cut therein for each of the component's leads. The slits are cut in a portion of the sheet having conductive traces formed thereon. The leads of the component are then interlaced through the tabs created by the slits to both mechanically and electrically connect the component to the sheet.
REFERENCES:
patent: 3766350 (1973-10-01), Van Dyk et al.
patent: 4163138 (1979-07-01), Harden
patent: 4225766 (1980-09-01), Pfeifer et al.
Little Willis
Oak Industries Inc.
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