Method of assembling a molded case circuit breaker current trans

Details Method of assembling a molded case circuit breaker current trans Method of assembling a molded case circuit breaker current trans

1989-07-31

1990-03-13

Echols, P. W.

Metal working

Method of mechanical manufacture

Electrical device making

29467, 29756, 29759, 29760, H01H 1100

Patent

active

049073427

ABSTRACT:
A circuit breaker enclosure consists of a cover and a case designed for robotic assembly of the circuit breaker components. A current transformer assembly and a printed wire board containing the electronic trip unit circuit are precisely positioned within the case and cover by means of a transitory circuit breaker case support platform. The transitory support platform includes four upstanding posts that pass through openings formed in the circuit breaker case and are received within corresponding openings through the circuit breaker cover. Leads extending from the current transformer assembly within the case become automatically positioned within corresponding openings through the printed wire board by means of tapered lead-in openings formed within the circuit breaker cover.

REFERENCES:
patent: 2870728 (1959-01-01), Goodykoontz, Jr.
patent: 3310867 (1967-03-01), Ehrat et al.
patent: 4470027 (1984-09-01), Link et al.
patent: 4487649 (1984-12-01), Gyi et al.
patent: 4520555 (1985-06-01), Gyi et al.
patent: 4633584 (1987-01-01), Wright et al.
patent: 4646435 (1987-03-01), Grassauer
patent: 4652975 (1987-03-01), Scott

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