Circuit breaker with shock resistant latch trip mechanism

Details Circuit breaker with shock resistant latch trip mechanism Circuit breaker with shock resistant latch trip mechanism

1986-01-15

1987-07-07

Grimley, Arthur T.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Latching means

335 22, 335 23, 335 35, 335169, 335191, H01H 7114

Patent

active

046790187

ABSTRACT:
A circuit breaker apparatus characterized by a molded case containing a circuit breaker structure for opening and closing a circuit which structure comprises a releasable lever operable between latched and unlatched positions corresponding to open and closed circuit conditions, latch means including a latch lever for the releasable lever, interconnected toggle connected to the latch lever and that are biased to the unlatched position of the lever, and a movable trip bar responsive to predetermined overcurrents and having a projection contacting the toggle links for holding the links in the unbiased position.

REFERENCES:
patent: 3264428 (1966-08-01), Hollyday
patent: 3462716 (1969-08-01), Yorgin et al.
patent: 3492614 (1970-01-01), DeAngelo et al.
patent: 3786382 (1974-01-01), Powell
patent: 3805199 (1974-04-01), Tazuki
patent: 3928826 (1975-12-01), Maier et al.
patent: 4368444 (1983-01-01), Preuss et al.
patent: 4503408 (1985-03-01), Mrenna et al.
patent: 4550300 (1985-10-01), Jencks et al.

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