Electricity: circuit makers and breakers – High-potential type – Rotating and pivoted
Patent
1983-09-30
1985-04-09
Little, Willis
Electricity: circuit makers and breakers
High-potential type
Rotating and pivoted
200 82B, 200193, 374143, H01H 3100
Patent
active
045103569
ABSTRACT:
A movable high amperage electrical switching buggy which is adapted for use in a corrosive atmosphere includes a wheeled chassis and spaced apart first and second electrical terminals housed on the chassis and extending therefrom. First and second electrical conductors are positioned within the housing and communicate with the first and second terminals respectively. At least one high amperage electrical switch is housed on the chassis with respective terminals of the switch being in electrical contact with the respective electrical conductors. The switch includes a first switch terminal including a piston chamber and a movable piston contact member housed therein and a second switch terminal. An insulating member is secured between the first switch terminal and the second switch terminal to prevent electrical contact therebetween unless the piston is in contact with the second terminal. At least one sliding contact current transfer member is positioned on the movable piston member to continuously maintain contact between the piston member and the first switch terminal. An actuator mechanism is also provided to selectively actuate the movable piston to establish electrical contact between the terminals.
REFERENCES:
patent: 2208179 (1940-07-01), Colby
patent: 2862073 (1958-11-01), Brutscher, Sr. et al.
patent: 3356798 (1967-12-01), McKinnon
patent: 3369094 (1968-02-01), Langberg et al.
patent: 3379846 (1968-04-01), Wood et al.
patent: 3700840 (1972-10-01), Wilson et al.
patent: 3778680 (1973-12-01), Vaneerden
patent: 3801768 (1974-04-01), Meyer
The GEC Liquid Metal GAIN Switch.
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