Electricity: circuit makers and breakers – Liquid contact – Time delay
Patent
1982-01-05
1984-02-21
Shepperd, John W.
Electricity: circuit makers and breakers
Liquid contact
Time delay
200159R, 200254, 200282, H01H 346
Patent
active
044332220
ABSTRACT:
A push button switch comprises a switch body defining an enclosure; a support member disposed within the enclosure, a pivotable converter supported by the support member for pivoting between the first and second positions with respect to an imaginary fulcrum plane; an operator actuable push rod extending through the switch body into the enclosure, the push rod being axially displaceable with respect to a displacement axis and having a converter actuator for pushing against the converter so as to pivot the converter in the direction of the second position thereof when the push rod is displaced from an unactuated limit position; a compression spring disposed between the push rod and the converter for biasing the push rod toward the limit position thereof and the converter toward the first position thereof; and a movable contact member fixedly mounted on the converter such that the movable contact member is displaced into and out of sliding contact with a stationary contact member as the converter is pivoted between first and second positions.
REFERENCES:
patent: 2809246 (1957-10-01), Taylor
patent: 3233058 (1966-02-01), Horst
patent: 3378664 (1968-04-01), Russenberger
patent: 3502833 (1970-03-01), Rossini et al.
patent: 3619528 (1971-11-01), Sorenson
patent: 3789173 (1974-01-01), Bury
patent: 3894203 (1975-07-01), Diehr
patent: 4371767 (1983-02-01), Ohashi et al.
Kidorf Renee S.
Nihon Kaiheiki Industrial Company Ltd.
Shepperd John W.
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