Interlock for high ampere-rated circuit breaker contact closing

Details Interlock for high ampere-rated circuit breaker contact closing Interlock for high ampere-rated circuit breaker contact closing

1994-09-30

1996-11-19

Walczak, David J.

Electricity: circuit makers and breakers

Toggle mechanisms

200400, H01H 2300

Patent

active

055753817

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 closing springs controlling the circuit breaker contacts is made manually by means of a ratchet and pawl assembly. A logic plate interacts with a logic lever, an interlock link and a closing link to prevent the circuit breaker closing button from operating until and unless the closing springs have become fully-charged.

REFERENCES:
patent: 3590192 (1971-06-01), Bould
patent: 3832504 (1974-08-01), Cellerini et al.
patent: 4001742 (1977-01-01), Jenck et al.
patent: 4019008 (1977-04-01), Kohler et al.
patent: 4658323 (1987-04-01), Dougherty
patent: 4801907 (1989-01-01), Kelaita, Jr. et al.
Castonguay et al, "Rating Module Unit for High Ampere-rated Circuit Breaker" U.S. S/N: 08/203,052 (Docket: 41PR-7124) Filed Feb. 28, 1994.
Castonguay et al, "Handle Operator Assembly for High Ampere-rated Circuit Breaker" U.S. S/N: 08/214,522 (Docket: 41PR-7130) Filed Mar 18, 1994.
Zaffetti et al, "Handle Interlock Arrangement for a High Ampere-rated Circuit Breaker" U.S. S/N: 08/265,377 (Docket: 41PR-7135) Filed Jun. 23, 1994.
Castonguay et al, "A Positive Charge Indicating for High Ampere-rated Circuit Breaker Operating Springs" U.S. S/N 08/304331-Sep. 12, 1994 (Docket; 41PR-7137).
Zaffetti at al, "Sequential Close Interlock Arrangement for High Ampere-rated Circuit Breaker" U.S. S/N 08/266,409 (Docket: 41PR-7138) Filed Jun. 27, 1994.

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