Circuit breaker having a snap-in attachable collar

Details Circuit breaker having a snap-in attachable collar Circuit breaker having a snap-in attachable collar

1997-09-29

1999-05-25

Luebke, Renee S.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator blocking device

200 4316, 200304, H01H 900

Patent

active

059071400

ABSTRACT:
A molded insulating collar for an insulating housing of a circuit breaker has a plurality of depending tabs which are received in grooves in the housing and provided with cooperating snap-fit structures within the housing to enable the collar to be sub-assembled to a circuit breaker. Collars are removable and replaceable in the field.

REFERENCES:
patent: 2141936 (1938-12-01), Schmitt
patent: 2169860 (1939-08-01), Von Hoorn
patent: 4168416 (1979-09-01), Josemans
patent: 4185178 (1980-01-01), Drees
patent: 4270035 (1981-05-01), Richter, Sr.
patent: 4609119 (1986-09-01), Richter, Sr.
patent: 5290979 (1994-03-01), Grass
patent: 5486660 (1996-01-01), Fasano

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