Miniature electrical push button contactor

Details Miniature electrical push button contactor Miniature electrical push button contactor

1978-12-04

1980-02-12

Pollard, Steven M.

Electricity: circuit makers and breakers

Liquid contact

Time delay

200241, H01H 312, H01H 118

Patent

active

041885180

ABSTRACT:
The invention concerns a miniature electrical push button contactor including a base carrying fixed contacts and having a cap which is formed integrally with the push button and which has a movable contact in the form of a thin disc which effects a wiping action on the fixed contacts. The invention also concerns electronic calculators fitted with contactors as aforesaid.

REFERENCES:
patent: 1316372 (1919-09-01), Liebreich
patent: 2384412 (1945-09-01), Woods
patent: 2930859 (1960-03-01), Nolden et al.
patent: 3175066 (1965-03-01), Fiddler
patent: 3223813 (1965-12-01), Lewandowski
patent: 3249726 (1966-05-01), Long
patent: 3949181 (1976-04-01), Kempf
patent: 3959611 (1976-05-01), Greene et al.
patent: 4004121 (1977-01-01), Twyford

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