Electricity: circuit makers and breakers – Electric switch details – Actuators
Patent
1994-10-21
1996-11-26
Walczak, David J.
Electricity: circuit makers and breakers
Electric switch details
Actuators
200337, 200332, H02B 146
Patent
active
055776035
ABSTRACT:
The remote, self adjusting operator for a circuit breaker according to the present invention allows a circuit breaker toggle to be operated from the exterior of the an explosion-proof enclosure over the circuit breaker panel. The operator includes a shaft having one end extending outside of an enclosure door and another end extending inside the enclosure door. A handle is attached to the shaft at the exterior of the door and an operating fork is attached to the shaft at the inside of the door. The operating fork having a slot for receiving the toggle is designed to prevent damage to the circuit breaker toggle or the operating fork if the door is close when the fork is not properly aligned with the toggle. A spring is provided on the shaft between the fork and the inside surface of the door which allows the fork to move axially on the shaft when it engages the toggle. A sloped surface on the bottom of the fork will cause the fork to move across the toggle until the slot is aligned over the toggle. In this way the circuit breaker toggle may be operated from the exterior of the enclosure door and careful alignment of the operator with the toggle while closing the door is unnecessary.
REFERENCES:
patent: 5286935 (1994-02-01), Mina et al.
patent: 5288958 (1994-02-01), Grunert et al.
patent: 5319168 (1994-06-01), Hutko et al.
Bartlett Paul J.
Bogdanovs Andris
Cooper Industries Inc.
Walczak David J.
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