Sealed electric switch

Details Sealed electric switch Sealed electric switch

1990-12-10

1993-01-26

Recla, Henry J.

Electricity: circuit makers and breakers

Electric switch details

Cases and bases

2003022, H01H 1306, H01H 904

Patent

active

051816032

ABSTRACT:
A sealed electric switch comprises a molded switch housing and a separately formed cover which fits on the switch housing wiht an annular seal member interposed between mating peripheral surfaces of the switch housing and the cover. An annular seal member is injection-molded from an elastic material on the mating peripheral surface of the switch housing between separable molding dies with the switch housing held therebetween. The annular seal member is integrally formed with an additional segment which extends in a separating direction of the molding dies and joins at its end to the annular seal member so as to reinforce it against a separation force applied thereto at the time of separating the molding dies.

REFERENCES:
patent: 2566636 (1951-09-01), Renholts
patent: 3898310 (1975-08-01), Schiemann
patent: 3983205 (1976-09-01), Barrett
patent: 4535827 (1985-08-01), Seaford
patent: 4654493 (1987-03-01), Drager et al.

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