Switch construction

Details Switch construction Switch construction

1977-06-02

1979-02-27

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Permanent magnet-actuated switches

Plural magnets

340644, 200314, H01H 3600

Patent

active

041421680

ABSTRACT:
Operation of a push button, operates an advancement mechanism to index one of a plurality of magnets adjacent to a fixed polarity magnet coupled to electrical switch contacts to thereby actuate the same. Such plurality of magnets are alternately south and north pole magnets for successively attracting and repelling the fixed polarity magnet on the switch plate upon successive operations of the push button. Indicating lamps may be provided on the push button, the lamps being protected and accessible beneath a transparent lid pivoted on the push button.

REFERENCES:
patent: 3133173 (1964-05-01), Vriens
patent: 3651438 (1972-03-01), Hayashi
patent: 3753179 (1973-08-01), Straub
patent: 4015226 (1977-03-01), Stomma et al.

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