Electricity: circuit makers and breakers – Snap – Double snap
Patent
1997-05-15
1999-03-02
Luebke, Renee S.
Electricity: circuit makers and breakers
Snap
Double snap
H01H 1326
Patent
active
058758879
ABSTRACT:
A contact switch assembly includes a first conductor body which has a leg portion and a U-shaped mounting unit with upward first and second mounting arms and a connecting portion that interconnects the first and second mounting arms. The first and second mounting arms have transverse retaining grooves at opposing outer sides thereof. A movable contact arm includes an elongated contact plate which has a longitudinal opening and which is sleeved around the first and second mounting arms via the opening. The contact plate further has first and second inner edges at two longitudinally opposing ends of the opening. The first inner edge engages the retaining groove of the first mounting arm. A curved spring plate has a first end engaging the retaining groove of the second mounting arm, and a second end engaging the second inner edge so as to bias the second inner edge upward. The second end of the spring plate has a first portion for abutting against a bottom surface of the contact plate, and a second portion for abutting against a top surface of the contact plate, thereby preventing release of the second end from the second inner edge.
REFERENCES:
patent: 5017747 (1991-05-01), Nagahara et al.
patent: 5432311 (1995-07-01), Lin
Luebke Renee S.
Shin Jiuh Corp.
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