Circuit breaker with an anti-lift pivot handle

Details Circuit breaker with an anti-lift pivot handle Circuit breaker with an anti-lift pivot handle

H - Electricity

01

H

H01H 71/10 (2006.01) H01H 71/50 (2006.01) H01H 71/52 (2006.01) H01H 71/02 (2006.01)

Patent

CA 2266257

A circuit breaker handle is provided with a curved bearing surface at its pivot point. The handle bearing surface has a substantially constant radius and is connected to the body of the handle with a necked down handle extension. The handle extension has a width that is less than the width of the curved bearing surface at the point of connection between the bearing surface and the necked down region. The handle pivot mates with a corresponding bearing surface on a notch in the side plate that it pivots within. The arc of the curved bearing surface in the side plate is greater than that of the corresponding bearing surface on the handle and captures the handle pivot within the notch in the sideplate, so the handle cannot lift off the bearing surface on the notch as it is moved.

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