Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1977-09-01
1978-09-12
Price, William
Electricity: circuit makers and breakers
Liquid contact
Time delay
200153SC, 200288, 267 28, H01H 360
Patent
active
041140052
ABSTRACT:
A circuit breaker having stationary and movable contacts operable between open and closed positions. Movement effecting means causes relative movement of the movable contact between open and closed positions, and a closing spring assembly imparts movement to the movement effecting means to move the movable contact to the closed position. The closing spring assembly includes first and second members and a helical closing spring, with the first and second members extending into the central opening of the spring. Shock absorbing means is disposed within the spring opening to absorb energy released when the assembly is discharged.
REFERENCES:
patent: 2431440 (1947-11-01), Willis
patent: 2902274 (1959-09-01), McIntyre
patent: 3095489 (1963-06-01), Baird
patent: 3139494 (1964-06-01), Caswell
patent: 3183332 (1965-05-01), Frink et al.
patent: 3214556 (1965-10-01), Zimsky
patent: 3371746 (1968-03-01), Engel
patent: 3635096 (1972-01-01), Caufield
patent: 3684848 (1972-08-01), Davies
Armstrong Donald D.
Farley James R.
Maier Alfred E.
Bernstein Bruce H.
Price William
Westinghouse Electric Corp.
Yatsko M. S.
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