Structure of push-on switch

Details Structure of push-on switch Structure of push-on switch

1997-12-18

1999-08-17

Friedhofer, Michael A.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

200512, H01H 1306

Patent

active

059396903

ABSTRACT:
A dustproof push-on switch for use in an electronic device is provided which includes a base, a movable contact, a stationary contact, and a push button. The push button is made of an elastic member and hermetically held by the base to protect the movable contact and the stationary contact from dust and dirt. The base has formed thereon an annular peripheral side wall and an annular rib to form an annular groove therebetween. The push button is fitted into the annular groove in elastically tight engagement therewith.

REFERENCES:
patent: 3600528 (1971-08-01), Leposavic
patent: 3729600 (1973-04-01), Solomon et al.
patent: 3982089 (1976-09-01), Hyltin
patent: 4820887 (1989-04-01), Schmitz
patent: 4843197 (1989-06-01), Kojima et al.
patent: 5152540 (1992-10-01), Kuze
patent: 5760352 (1998-06-01), Ishihara et al.

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