Electrical push button switch having a splash-proof cylindrical

Details Electrical push button switch having a splash-proof cylindrical Electrical push button switch having a splash-proof cylindrical

1985-07-02

1987-08-25

Marcus, Stephen

Electricity: circuit makers and breakers

Liquid contact

Time delay

200340, 2003022, H01H 1352

Patent

active

046894543

ABSTRACT:
An electrical push button switch having a cylindrical enclosure with a base in which pairs of contacts are located. A push button is guided in this cylindrical enclosure having one contact spring for each pair of contacts. The design ensures that the push button switch is splash-proof with an almost integral serviceable assembly and that with this assembly, the switch can be designed not only for normally opened, but also for normally closed functions. The base is formed in one piece as main element of the enclosure and has an interior chamber at both sides of which the contacts are arranged. Each contact spring has resilient legs which are adjacent to the contacts in one switch position and which are separated from the contacts in the other switch position.

REFERENCES:
patent: 3255333 (1966-06-01), Schuchard
patent: 3586810 (1971-06-01), Brown
patent: 3818169 (1974-06-01), Kobernus
patent: 3819891 (1974-06-01), Miller et al.
patent: 4225758 (1980-09-01), Kondo et al.
patent: 4251723 (1981-02-01), Speidel et al.

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