Electricity: circuit makers and breakers – Interlocking – Between plural switches
Patent
1982-05-07
1983-12-06
Scott, J. R.
Electricity: circuit makers and breakers
Interlocking
Between plural switches
H01H 920
Patent
active
044195494
ABSTRACT:
For initiating operating movement to an electric switch disposed in a housing having an access door, a movable element is interconnected with the switch and operating movement is imparted thereto by motivating means, and interlocking means is mounted on the housing and arranged to prevent switch closing movement of the motivating means so long as the access door of the housing is open.
REFERENCES:
patent: 1983902 (1934-12-01), Hanny
patent: 3578925 (1971-05-01), Drown et al.
patent: 3876847 (1975-04-01), Dykes et al.
patent: 4006121 (1977-02-01), Isono
patent: 4137433 (1979-01-01), Erickson et al.
Kearney-National Inc.
Scott J. R.
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