Spring switch for electronic circuits

Details Spring switch for electronic circuits Spring switch for electronic circuits

1986-08-26

1987-11-17

Scott, J. R.

Electricity: circuit makers and breakers

Special application

200276, H01H 106, H01H 3500

Patent

active

047075759

ABSTRACT:
A spring switch for electronic circuits and a method for making same are disclosed. The spring switch employs a coil spring having a helical wind of a plurality of coil turns. The diameter of the coil spring is selected to receive, between two adjacent coil turns, two legs of a dual in-line packaged, integrated circuit. The integrated circuit is mounted, top down, on a plate which has an electrically conductive surface. An electrical circuit having two open circuit terminals has one terminal connected to the electrically conductive surface. The second open circuit terminal is electrically connected to the electrically conductive coil spring. A cam mechanism depresses a free end of the coil spring and wipes the free end against the electrically conductive surface to complete the circuit.

REFERENCES:
patent: 3691331 (1972-09-01), Resh
patent: 4028515 (1977-06-01), Desio et al.
patent: 4264792 (1981-04-01), Gillette

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