Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1979-07-16
1981-05-26
Shepperd, John W.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
335202, 411352, 411522, H01H 1306
Patent
active
042700353
ABSTRACT:
A circuit breaker comprising a molded case formed by two half-cases abutting each other. A snap on mounting clip embraces the half-cases. The clip comprises a central portion and arms on either side thereof embracing the half-cases. The arms include locking protrusions which are received in holes formed in the half-cases. The protrusions are deformed toward the embraced half-case. The arms include end portions flared outwardly of the case. The arms are angled to permit the arms to spring freely as they are pushed over the half-cases. The case includes an upper wall, and the central portion is bowed downwardly so as to be concave relative to said upper wall of said case. The upper wall includes an opening and the central portion of the clip includes a thread receiving opening. The openings in the wall and in the clip are aligned to receive the shank of a threaded fastener for mounting the circuit breaker to a panel.
REFERENCES:
patent: 1620693 (1927-03-01), Royal
patent: 2330372 (1943-09-01), Mittendorf
patent: 2401202 (1946-05-01), Tinnerman
patent: 2627385 (1953-02-01), Tinnerman
patent: 3177331 (1965-04-01), Kawabata et al.
patent: 4087772 (1978-05-01), Grenier
patent: 4169966 (1979-10-01), Casati
Denny, III Joseph G.
Heinemann Electric Company
Patane Peter J.
Shepperd John W.
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