Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1992-11-30
1994-07-12
Barrett, Glenn J.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
200303, H01H 1306
Patent
active
053290836
ABSTRACT:
An on-line switch includes a switch housing formed by combining an upper half shell on a lower half shell, a push-button switching device encased in the housing having a push button reciprocatively held in a button holder of the switching device and normally protruding upwardly outwardly beyond the housing for depressibly switching on or off of a power supply through the on-line switch connected between an input cord and an output cord of a power source, an electrically insulative protective cover integrally formed on an outer circumferential surface of the switch housing for completely shielding the switch housing for water proof and for protecting the cords from their damage, and a sealing cap formed as a telescopic bellows and made of electrically insulative elastomer material secured with the button holder of the push-button switching device for sealing the push button held in the switching device in the switch housing for water proof purpose, thereby providing an on-line switch of a power line suitable for use in a wet, rainy or moisture corrosive environment or weather.
REFERENCES:
patent: 2467820 (1949-04-01), Gaynor
patent: 2740024 (1956-03-01), Rogers
patent: 2773944 (1956-12-01), Haydon et al.
patent: 3242273 (1966-03-01), Van Der Put
patent: 3541488 (1970-11-01), Odson
patent: 4317015 (1982-02-01), Buttner et al.
patent: 4766272 (1988-08-01), Guzzon
patent: 5070219 (1991-12-01), Grosskrueger et al.
patent: 5072213 (1991-12-01), Close
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