Push button switch

Details Push button switch Push button switch

1988-08-04

1990-06-19

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200520, 200341, H01H 164

Patent

active

049355910

ABSTRACT:
A push button switch including a lower case, an upper case adapted to be coupled with the lower case to define a space therebetween, a fixed contact member having a fixed contact terminal, a movable contact member having a movable contact terminal, and a stem operable from the outside of the upper case, wherein the fixed contact member, the movable contact member and the stem are mounted in the space, and the lower case is formed with slots for inserting the fixed contact terminal and the movable contact terminal therethrough. The stem is slidably mounted to a stem sliding portion formed in the lower case, and a bottom portion of the stem sliding portion projects downwardly from the lower surface of the lower case less than a plurality of projections projecting downwardly from the lower surface of the lower case. The lower case is formed at its inside corners with curved surface. The bottom surface of the lower case is formed with cutouts in the vicinity of the slots.

REFERENCES:
patent: 3883705 (1975-05-01), Sebastian et al.
patent: 4419555 (1983-12-01), Kim
patent: 4467160 (1984-08-01), Murmann et al.
patent: 4760225 (1988-07-01), Takano

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