Electricity: circuit makers and breakers – Multiple circuit control – Reciprocating contact
Patent
1976-06-28
1977-08-16
Scott, James R.
Electricity: circuit makers and breakers
Multiple circuit control
Reciprocating contact
200252, 200275, H01H 1500, H01H 150
Patent
active
040427951
ABSTRACT:
In an electric switch a slide containing a shorting contact is movable back and forth along a row of at least three fixed electric contacts. The shorting contact is formed from a spring metal strip having an elongated central body between a pair of end portions, the body having contact surface for sliding engagement with the fixed contacts and being long enough to bridge three of them simultaneously. The end portions of the shorting contact extend toward the back wall of the contact-receiving recess in the slide and toward each other to form inclined legs having free ends pressing against the slide to press the contact surface against the fixed contacts. The central body of the shorting contact is provided with at least one slot extending lengthwise of it and into its legs to separate the body into laterally spaced contact bands integrally connected at the free ends of the legs. These bands, in their unstressed condition before the shorting contact is inserted in the slide recess, are bowed lengthwise toward the inclined legs.
REFERENCES:
patent: 3072757 (1963-01-01), Gluck
patent: 3261928 (1966-07-01), Schlesinger, Jr.
patent: 3270149 (1966-08-01), O'Shea et al.
patent: 3485966 (1969-12-01), Bailey et al.
patent: 3546402 (1970-12-01), Spaeth et al.
Scott James R.
Stackpole Components Company
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