Circuit breaker lockout device for attachment to solid switch st

Details Circuit breaker lockout device for attachment to solid switch st Circuit breaker lockout device for attachment to solid switch st

1994-01-18

1996-03-19

Luebke, Renee S.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200 4321, 200 4322, H01H 928

Patent

active

055004954

ABSTRACT:
A device particularly suited for blocking access and locking out a circuit breaker or other switch of the type having a solid stem without holes, which includes a base having an opening for positioning on the switch base and receiving the switch stem, a clamping member, and a thumb screw for operation with the clamping member to clamp the device onto the switch stem to immobilize it. The device further includes a cover which is pivoted over a structure forming an aperture for receiving a lock shackle, the cover blocking operation of the thumb screw when the lock shackle is positioned and secured in said aperture.

REFERENCES:
patent: 2795663 (1957-06-01), Estes
patent: 4978816 (1990-12-01), Castonguay et al.
patent: 5079390 (1992-01-01), Costanzo et al.
patent: 5122624 (1992-06-01), Benda
patent: 5147991 (1992-09-01), Jordan, Sr.
Breaker Lock.TM. S-Y-A-1 Brochure, Toloc Systems, Houston, Texas Distributed National Safety Congress Show Oct. 4-7, 1993.

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