Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1978-11-06
1980-08-05
Marcus, Stephen
Electricity: circuit makers and breakers
Liquid contact
Time delay
200163, 200307, 200333, H01H 1504, H01H 6302
Patent
active
042163625
ABSTRACT:
A series sliding, single pole contact switch including a generally slotted captivating input contact pin, at least one generally slotted captivating output contact pin, a sliding contact mechanism including a sliding knife blade contact and a switching assembly. The axially moveable sliding knife blade contact is always in captivated contact with the slotted captivating input contact pin, and the switching assembly is biased to place one end of the sliding knife blade contact in engagement with one of the slotted captivating output contact pins or to brace the sliding knife contact in the opposite direction. The switch may be gang connected to other switches, and may be switched by a single switching assembly. The switch is sealed to insure the water tight integrity of the unit.
REFERENCES:
patent: 992478 (1911-05-01), Birnn
patent: 1340788 (1920-05-01), O'Hara
patent: 2277645 (1942-03-01), Johnson
patent: 2426186 (1947-08-01), Dow
patent: 2465039 (1949-03-01), Reynolds
patent: 2773949 (1956-12-01), Edmunds
patent: 2795144 (1957-06-01), Morse
patent: 3010080 (1961-11-01), Concelman
patent: 3991293 (1976-11-01), Legeay et al.
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