Push button switch

Details Push button switch Push button switch

1996-07-23

1998-04-28

Luebke, Renee S.

Electricity: circuit makers and breakers

Electric switch details

Actuators

H01H 312

Patent

active

057433836

ABSTRACT:
A push button switch has a structure in which a stem 15a of a key top 15 directly pushes a cup-shaped rubber 13, and a bulge 13b pushes a membrane switch 12a, and a first link member 16 in U form having a coupling portion 16e having a circular hole in the middle, and a second link member 17 are engaged with each other in an X-form to compose a link mechanism. Since the key top 15 directly pushes the cup-shaped rubber 13, if reduced in thickness, the motion stroke of the cup-shaped rubber 13 can be sufficiently maintained, so that the sensation of manipulation is excellent. When assembling the push button switch, the cup-shaped rubber 13 can be positioned and held in place by making use of the circular hole in the coupling portion 16e, and hence assembling is extremely easy.

REFERENCES:
patent: 5389755 (1995-02-01), Chen
patent: 5457297 (1995-10-01), Chen
patent: 5504283 (1996-04-01), Kako et al.
patent: 5555971 (1996-09-01), Takada

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