Electricity: circuit makers and breakers – Special application
Patent
1974-11-01
1976-03-16
Scott, James R.
Electricity: circuit makers and breakers
Special application
200 86R, 200264, 272 4, 340323R, H01H 302, H01H 3500, A63K 300, G07C 122
Patent
active
039447634
ABSTRACT:
A swimming pool touch pad seats on a swimming pool wall and is adapted to close an external electric circuit when contacted by a swimmer. The pad includes a nonconductive baseplate adapted to be mounted on a swimming pool wall. A normally nonconductive generally planar pressure sensitive elastomeric pad is seated on the baseplate and is adapted to become selectively conductive through the pad from the front to the rear surface upon application of pressure by a swimmer. When conductive it will provide an electrical current path in the area of pressure application. Electrodes secured to the front and rear surfaces of the elastomeric pad and insulated conductors connected between the electrodes and the external circuit complete the electrical path from the elastomeric pad to the external circuit. A nonconductive waterproof flexible cover member is secured to the baseplate and covers the elastomeric pad with the insulated conductors passing through the cover member. The cover member is capable of immediately transmitting the swimmer's externally applied pressure to the elastomeric pad for rendering it conductive and closing the external electrical circuit.
REFERENCES:
patent: 3230325 (1966-01-01), Parkinson
patent: 3522398 (1970-07-01), Heimann
patent: 3544989 (1970-12-01), MacCreadie
patent: 3584169 (1971-06-01), Leu
patent: 3590181 (1971-06-01), Baran
patent: 3678496 (1972-07-01), Stalp
patent: 3699294 (1972-10-01), Sudduth
patent: 3745275 (1973-07-01), Degiez
patent: 3784768 (1974-01-01), Hunt
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