Electricity: circuit makers and breakers – Plural switches control single circuit
Patent
1977-12-28
1979-07-03
Ross, Herbert F.
Electricity: circuit makers and breakers
Plural switches control single circuit
H01H 2700
Patent
active
041601378
ABSTRACT:
An L-shaped member and a generally flat member are secured together by one-way screw to form a bracket assembly mounted on the front of a circuit breaker housing to receive a padlock for blocking movement of the circuit breaker handle to the ON position.
REFERENCES:
patent: 2169860 (1939-08-01), Von Hoorn
patent: 3055995 (1962-09-01), Snow
patent: 3312794 (1967-04-01), Hollyday
patent: 3595040 (1971-07-01), Curi
Clement Ralph C.
Latimer William R.
Gould Inc.
Ross Herbert F.
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