Electricity: circuit makers and breakers – Multiple circuit control – Operating means
Patent
1998-06-10
1999-10-05
Gellner, Michael L.
Electricity: circuit makers and breakers
Multiple circuit control
Operating means
200 18, H01H 300
Patent
active
059628243
ABSTRACT:
A trip link structure for a circuit breaker is disclosed and includes a plurality of circuit breakers arranged in a triangle shape and each having a fixed contact point and a movable contact point formed therein for thereby forming one unit including three circuit breakers as one unit with respect to three phases and an operational rod connected with the movable contact point, a main body engaging plate engaged to a front surface of the circuit breaker of each phase, a support bracket engaged to a front surface of each phase of the main body engaging plate, an operational link plate having a first connection portion hinged to the operational rod and a second connection portion supported by the first connection portion of a support bracket, a connection link having an upper end hinged to a third connection portion of the operational link plate connected with the circuit breaker of the upper side for thereby being downwardly extended and a lower end hinged to the third connection portion of the operational link plate connected with the circuit breaker of the lower side for thereby being upwardly extended, and a connection lever having a first connection portion connected with the lower end of the upper-side connection link and the upper end of the connection link of the lower side, a second connection portion supported by the second connection portion of the support bracket, and a third connection portion hinged to the driving lever.
REFERENCES:
patent: 4744002 (1988-05-01), Nakano et al.
patent: 4774628 (1988-09-01), Diaferia et al.
Gellner Michael L.
LG Industrial Systems Co. Ltd.
Nguyen Nhung
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