Electricity: circuit makers and breakers – Electric switch details – Cases and bases
Patent
1984-06-25
1986-05-06
Shepperd, John W.
Electricity: circuit makers and breakers
Electric switch details
Cases and bases
248 271, H01H 908
Patent
active
045873917
ABSTRACT:
A snap-in panel mount circuit breaker has a case and a locking dog means including a rigid member with a cammed outer surface mounted in the case. A first set of lugs extends from opposite sides of the rigid member and are disposed in cooperating pivot openings in the case to form a pivot axis about which the rigid member is moveable between a first position, in which the rigid member projects outwardly of the case, and a second position, in which the rigid member is disposed substantially flush with the case. A second set of lugs extends from the rigid member in spaced relation to the first lugs. The second lugs are disposed in a guide channel in the case to define the arc of rotation of the rigid member about the pivot axis. A bias spring contained in the case engages the locking dog means to normally urge the locking dog means towards the first position.
REFERENCES:
patent: 1177923 (1916-04-01), Brown
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patent: 3701870 (1972-10-01), Sorenson
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patent: 4211905 (1980-07-01), Quigley
patent: 4327264 (1982-04-01), Botz
patent: 4386252 (1983-05-01), Kondo et al.
patent: 4434339 (1984-02-01), Ohashi
Airpax Corporation
Shepperd John W.
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