Structure of sliding switch contacts

Details Structure of sliding switch contacts Structure of sliding switch contacts

1992-11-02

1994-10-18

Barnett, Glenn T.

Electricity: circuit makers and breakers

Electric switch details

Contact

200275, 200 5R, 200550, H01H 136

Patent

active

053570693

ABSTRACT:
A sliding switch having a tandem-type contact structure in which a first and a second insulation portion are disposed in a first and a second negative fixed contact, respectively, of a first and a second group of fixed contacts. When a first and a second movable contact slide between a neutral position and a first operating position, an arc is produced between the first movable contact and the first negative fixed contact in which the first insulation portion is disposed. When the first and the second movable contact slide between the neutral position and a second operating position, an arc is produced between the second movable contact and the second negative fixed contact in which the second insulation portion is disposed. A decline in the insulation performance between the fixed contacts of different polarities is prevented.

REFERENCES:
patent: 2837609 (1958-06-01), Clayton et al.
patent: 4012608 (1977-03-01), Lockard
patent: 4057520 (1977-11-01), Schwartz
patent: 4316067 (1982-02-01), Whiteman
patent: 5049707 (1991-09-01), Kameya

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