Push-button electrical switch with unitary spiral stem and washe

Details Push-button electrical switch with unitary spiral stem and washe Push-button electrical switch with unitary spiral stem and washe

1982-09-30

1984-10-09

Phillips, Charles E.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200153J, H01H 300

Patent

active

044763590

ABSTRACT:
The conventional push-button switch which is generally found on lamps and appliances is constructed so that the depressing the push-button causes a rotary switch motion within the body on the switch. The components which convert the linear motion of the push-button have consisted of a metal spiral stem and a cooperating metal push-button. In addition the spiral stem has stem provided with a washer at its lower extremity.
The present invention provides for the spiral stem and washer to be molded as a single plastic component. The cooperating push-button is provided as a plastic component or as a metal component with a plastic insert. The improvement described serves to reduce the number of component parts in a push-button switch as well as isolating the operator of the push-button from the internal electrical components.

REFERENCES:
patent: 1361609 (1920-12-01), Ohrstrom
patent: 2096386 (1937-10-01), Taubner
patent: 2195237 (1940-03-01), Bryant et al.
patent: 2836691 (1958-05-01), Di Girolamo et al.

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