Sealed slide switch

Details Sealed slide switch Sealed slide switch

1984-09-18

1986-12-09

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200 16D, H01H 904

Patent

active

046281665

ABSTRACT:
This slide switch includes: a casing formed in a hollow box shape with an open top; several fixed contacts on the bottom surface of the casing and several terminals connected to them extending to the outside of the casing; a cover mounted to close the open top of the casing, formed with a hole opposed to the fixed contacts; a slide member disposed inside the casing, which has a control portion protruding out through the hole in the cover and a movable contact portion made of a resilient electrically conducting material which bears against the internal bottom surface of the casing and thereby produces a biasing force on the slide member to impel it in the direction towards the cover; and a seal member interposed between the inside of the cover and the side of the slide member facing it, the seal member being squeezed between the slide member and the cover, a seal between the inside of the casing and the outside thereby being produced. The movable contact portion of the slide member, according as the control portion of the slide member is moved from outside the casing, selectively connects together a combination of the fixed contacts. By this seal member being provided, a good sealing performance for the switch is available, and therefore, when the switch is soldered to a printed circuit board and a cleansing fluid is thereafter used for cleansing off solder residue, no contamination is introduced into the slide switch.

REFERENCES:
patent: 2795667 (1957-06-01), Schwerke
patent: 3470333 (1969-09-01), Schneider et al.
patent: 3485966 (1969-12-01), Bailey et al.
patent: 3723692 (1973-03-01), Wilbrecht
patent: 4042795 (1977-08-01), Sykora
patent: 4302637 (1981-11-01), Ditzig
patent: 4324956 (1982-04-01), Sakakino et al.
patent: 4324958 (1982-04-01), Valleau
patent: 4376234 (1983-03-01), Liataud et al.
patent: 4529851 (1985-07-01), Priebe et al.

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