Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1978-07-17
1979-12-04
Bell, Jr., Houston S.
Electricity: circuit makers and breakers
Electric switch details
Actuators
200335, 74519, 85 5N, 403155, 403157, H01H 302
Patent
active
041773683
ABSTRACT:
A high-current, low-voltage load-break switch of the type having a plurality of fixed contacts and a plurality of movable contacts. Each of the movable contacts moves between a closed position in bolted pressure contact with one of the fixed contacts and a open position which is displaced from its fixed contact. An actuating bar connects the movable contacts for movement of the contacts in unison. A switch-operator mechanism is provided for rapidly closing the switch by driving the movable contacts to their closed positions and also to their open positions. An electrically non-conductive operating rod assembly is provided for connecting the actuating bar and the switch-operator mechanism. This rod assembly includes an elongated metal rod having threads at its opposite ends. One end of the rod is threaded to a first metal yoke which is pivotally connected to one end of an insulator link. The insulator link is pivotally connected to an operating lever formed as part of the switch-operator mechanism. The opposite end of the elongated rod is threaded to a second metal yoke. The second metal yoke is pivotally connected to one end of a second insulator link. The second insulator link is pivotally connected at its opposite end to a bracket which is affixed to the actuating bar for the movable contacts.
REFERENCES:
patent: 3604879 (1971-09-01), Beer
Bell, Jr. Houston S.
Boltswitch Inc.
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