Electricity: magnetically operated switches – magnets – and electr – Electromagnetically actuated switches – Tripping means
Patent
1988-05-17
1990-04-10
Picard, Leo P.
Electricity: magnetically operated switches, magnets, and electr
Electromagnetically actuated switches
Tripping means
335 21, 335189, H01H 900
Patent
active
049164201
ABSTRACT:
An operating mechanism of an electrical circuit breaker comprises a handle coupled to a transmission rod to form a toggle, a movable contact support device having a plate mounted with rotation on a pivot, and a mechanical link breakable by the action of a trip lever. The link is formed by a retaining catch of the trip lever cooperating with a latch pivotally mounted on a spindle of the plate. The rod is coupled directly to the latch, the assembly constituting a gearing-down stage enabling the tripping force to be reduced. The bimetal strip is connected to the trip lever by a rotating tie-rod with uni-directional transmission.
REFERENCES:
patent: 4344054 (1982-08-01), Castonguay et al.
Bartolo William
Lazareth Michel
Donovan Lincoln
Merlin Gerin
Picard Leo P.
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