Lock-out device for circuit breakers

Details Lock-out device for circuit breakers Lock-out device for circuit breakers

1991-04-03

1992-01-07

Picard, Leo P.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200 50AA, H01H 2710

Patent

active

050793900

ABSTRACT:
Disclosed is a device that can be placed on the lever arm of a switch and locked to prevent the switch from being turned on. The device comprises a rigid body having a clasping device for removably fixing the rigid body to the lever arm, an aperture through the rigid body in which the shackle of a lock can be placed, positioned so that when the shackle is in the aperture access to the clasping device is blocked, and a bracing portion which contacts the switch to prevent its lever arm from being rotated when the device is attached thereto.

REFERENCES:
patent: 3296391 (1967-01-01), Zavertnik et al.
patent: 3657672 (1972-04-01), Flick et al.
patent: 4978816 (1990-12-01), Castongvay et al.

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