Circuit breaker having improved movable contact position indicat

Details Circuit breaker having improved movable contact position indicat Circuit breaker having improved movable contact position indicat

1977-06-29

1978-10-17

Marcus, Stephen

Electricity: circuit makers and breakers

Electric switch details

Indicators

200153G, 335 17, 335 20, 335191, H01H 916, H01H 5006

Patent

active

041210778

ABSTRACT:
A circuit breaker including stationary contact means and a movable contact operable between open and closed positions with respect to the stationary contact means. A contact holder engages the movable contact, and means are utilized for effecting movement of the movable contact between the open and closed positions. Indicator means indicate the position of the movable contact with respect to the stationary contact, and may also function to reset an automatic tripping mechanism.

REFERENCES:
patent: 969581 (1910-09-01), Webster
patent: 993946 (1911-05-01), Beechlyn
patent: 2222312 (1940-11-01), Green
patent: 2376503 (1945-05-01), Pearson
patent: 2854555 (1958-09-01), Edmunds
patent: 3443258 (1969-05-01), Dunham et al.

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