Push switch and a method of producing a push switch

Details Push switch and a method of producing a push switch Push switch and a method of producing a push switch

1996-06-26

1998-06-02

Gellner, Michael L.

Electricity: circuit makers and breakers

Multiple circuit control

Reciprocating contact

200520, H01H 1314

Patent

active

057603529

ABSTRACT:
A push switch is disclosed which includes: an insulation substrate (11) having a circular hollow portion (14) therein, first and second adhesive layers (15A, 15B) on the hollow portion and a top surface respectively and a fixing portion (12A) having a first C-shape and a hollow portion (18), having a second C-shape, arranged inside the first C-shape. The hollow portion is arranged in the circular hollow portion and fixed by the first adhesive layer and the fixing portion fixed on the top surface of the insulation substrate by the second adhesive layer. The hollow portion has at least three protruding portions (19) thereon. A center contact (21) is arranged at inside the second C-shape. There is an arm portion (22) extending from the center contact toward the outside of the second C-shape through an opening of the second C-shape. There is a movable contact (24) having a dome shape on the protruding portions and a cover sheet (26), fixed on the fixing portion so as to cover the movable contact. Sizes of the movable contact and protruding portions are so determined as to provide an ON-OFF operation. A method of producing a push switch is also disclosed wherein the outer contact and the center contact portion having the arm portion are made from a piece of trimmed metal plate by cutting connecting portions connecting them to a frame of the metal plate after arrangement on the switch substrate.

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