Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Multiple contact type
Patent
1986-01-08
1987-07-07
Grimley, Authur T.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Multiple contact type
200153G, 335 9, 335 23, 335 35, 335 38, 335172, H01H 6702
Patent
active
046790160
ABSTRACT:
An interchangeable operating mechanism assembly for molded case circuit breakers having a detachable movable contact arm and trip unit assembly allows the same mechanism assembly to be employed across a wide range of breaker ratings. A snap-on common trip bar attachment further allows multiple-pole facility off the common interrupter mechanism assembly. The mechanism assembly is designed to maintain the operating handle in the "on" position upon the occurrence of a welded contact and prevents the mechanism from being reset.
REFERENCES:
patent: 3317867 (1967-05-01), Powell
patent: 3384845 (1968-05-01), Johnson et al.
patent: 3849751 (1974-11-01), Link et al.
patent: 4166988 (1979-09-01), Ciarcia et al.
patent: 4503408 (1985-04-01), Mrenna et al.
patent: 4603313 (1986-07-01), Shimp et al.
Ronald D. Ciarcia et al., "Circuit Breaker Assembly for High Speed Manufacture", Ser. No. 718,409, filed Apr. 1, 1985.
Bernier Richard E.
Ciarcia Ronald D.
DiVincenzo Gregory T.
Nagy Joseph G.
Bernkopf Walter C.
General Electric Company
Grimley Authur T.
Lau Jane K.
Menelly Richard A.
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