Apparatus for locking a circuit breaker

Details Apparatus for locking a circuit breaker Apparatus for locking a circuit breaker

1996-10-10

1998-08-18

Walczak, David J.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200 4311, 200 4316, H01H 928

Patent

active

057947600

ABSTRACT:
Disclosed is apparatus well suited for positioning a pin to immobilize a circuit breaker switch. The apparatus comprises an elongated base member and an aperture-defining means, such as a wire or plate, fastened to the base member. The base member is elongated and has a longitudinal axis, an upper face, and a transverse groove extending across the upper face. The defining means is positioned across the transverse groove and in a plane parallel to the longitudinal axis of the base member. A portion of the aperture defined by the aperture-defining means is positioned in alignment with the transverse groove. A pin having longitudinal axis, a generally rectangular or square cross section, and a plurality of longitudinally spaced apart, circumferentially extending grooves is positioned in the groove of the base member and through a portion of the aperture to immobilize a breaker switch positioned alongside the elongated base member. A lock is also passed through the aperture to block extrication of the pin.

REFERENCES:
patent: 2978613 (1961-04-01), Hein
patent: 5270503 (1993-12-01), Frye

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