Circuit breaker compartment shield assembly

Details Circuit breaker compartment shield assembly Circuit breaker compartment shield assembly

1983-07-05

1984-01-03

Scott, J. R.

Electricity: circuit makers and breakers

Interlocking

Between plural switches

361345, H01H 922, H02B 104

Patent

active

044244258

ABSTRACT:
A shield assembly for isolating line and load stabs within a circuit breaker compartment when the circuit breaker is removed from the compartment. The assembly consists of a pair of separately hinged shields interconnected by a link which terminates in a moveable pin. The pin is captured in a first slot within the assembly actuator arm and in a second slot within a supportive side frame. Movement of the actuator arm in a first direction causes the connecting link pin to move within the first slot to open the shields. Return of the actuator arm in an opposite direction causes the connecting link pin to travel within the second slot in an opposite direction to close the shields. The shield assembly contains actuating mechanisms at both sides of the breaker compartment in order to defeat any attempt by an operator to open the shields with the breaker withdrawn from the compartment.

REFERENCES:
patent: 2340082 (1944-01-01), Sauers
patent: 3614350 (1971-10-01), Eichelberger et al.
patent: 4183073 (1980-01-01), Clausing
patent: 4285026 (1981-08-01), Clausing

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