Hermetically sealed resilient contact switch having surgical app

Details Hermetically sealed resilient contact switch having surgical app Hermetically sealed resilient contact switch having surgical app

1975-04-25

1977-05-03

Scott, James R.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200302, H01H 1352, H01H 904

Patent

active

040216306

ABSTRACT:
A switching circuit is completed between electrical contacts by a flexible cap overlying the contact points. The cap is formed with cylindrical sidewalls and an upper end closure which has a plunger or piston-like portion extending therefrom towards the contact points. The dome section is arranged so as to arc from the cylindrical sidewalls in a direction away from the contact points so that depression of the dome will not effect collapsing of the cylindrical sidewalls for the entire extent of the contact establishing travel. The cap can deflect a metal dome to perform the contact establishment or can be composed of a resilient conductive material to directly establish electrical contact.

REFERENCES:
patent: 2343060 (1944-02-01), Horning
patent: 2409483 (1946-10-01), Gandelot
patent: 2562185 (1951-07-01), Gross
patent: 3054879 (1962-09-01), Soreng
patent: 3684842 (1972-08-01), Boulanger
patent: 3699294 (1972-10-01), Sudduth
patent: 3749859 (1973-07-01), Webb et al.
patent: 3846596 (1974-11-01), Wolf
patent: 3860771 (1975-01-01), Lynn et al.
patent: 3898421 (1975-08-01), Suzumura
patent: 3911241 (1975-10-01), Jarrard
patent: 3932722 (1976-01-01), Obata et al.
patent: 3967085 (1976-09-01), Lockard et al.
patent: 3967089 (1976-09-01), Hyltin

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