Circuit breaker having a single pull-rod operating system with a

Details Circuit breaker having a single pull-rod operating system with a Circuit breaker having a single pull-rod operating system with a

1973-12-26

1976-01-13

Schaefer, Robert K.

Electricity: circuit makers and breakers

Liquid contact

Time delay

H01H 3382

Patent

active

039327191

ABSTRACT:
A single pull-rod mechanism operatively arranged externally of gas insulated sealed enclosures for actuating the several contacts and associated blast valves of one or more circuit breakers. The mechanism is external of the enclosure to facilitate adjustment and servicing without the necessity of breaching the integrity of the gas sealed enclosures. Also provided is a selective mechanism for insuring that the blast valves are in closed positions and recoupled to the actuating mechanisms prior to the opening movement of the contacts.

REFERENCES:
patent: 3033962 (1962-05-01), Friedrich et al.
patent: 3215797 (1965-11-01), Kesselring et al.
patent: 3502834 (1970-03-01), Field et al.
patent: 3526735 (1970-09-01), Date
patent: 3601565 (1971-08-01), Few

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