Latching arrangement for high ampere-rated circuit breaker opera

Details Latching arrangement for high ampere-rated circuit breaker opera Latching arrangement for high ampere-rated circuit breaker opera

1994-03-28

1996-01-30

Luebke, Renee S.

Electricity: circuit makers and breakers

Contact moved by sudden release of stored energy,

H01H 330

Patent

active

054882117

ABSTRACT:
This invention relates to a high ampere-rated circuit breaker which meets the electrical code requirements of the world market. The charging of the powerful operating springs controlling the circuit breaker contacts is made manually by means of a ratchet and pawl assembly. A two stage latching arrangement controls the retention and release of the pawl to retain and discharge the operating springs.

REFERENCES:
patent: 2581181 (1952-01-01), Fevre
patent: 3301984 (1967-01-01), Wilson
patent: 3845263 (1974-10-01), Dickinson
patent: 4001742 (1977-01-01), Jencks et al.
patent: 4801907 (1989-01-01), Kelaita et al.
patent: 5140117 (1992-08-01), Vianson
Castonguay et al. "Operating Mechanism for High Ampere-Rated Circuit Breakers" U.S. Ser. No. 08/202,140 Filed Feb. 25, 1994.
Castonguay et al "Rating Module Unit for High Ampere-Rated Circuit Breaker" U.S. Ser. No. 08/203,062 filed Feb. 28, 1994.
Castonguay et al "Handle Operator Assembly for High Ampere-rated Circuit Breaker" U.S. Ser. No. 08/214,522, filed Mar. 18, 1994.

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