Circuit breaker block out

Details Circuit breaker block out Circuit breaker block out

1991-10-15

1993-05-04

Recla, Henry J.

Electricity: circuit makers and breakers

Switch activation inhibitor

Actuator locking device

200 4313, 200 4315, 200 4316, 200 4319, 70164, 70DIG30, H01H 2710

Patent

active

052073157

ABSTRACT:
A one-piece integral molded plastic article, includes a pair of main parts hinged together, which enclose the actuating element of the circuit breaker and holds it against movement. One form is for push-pull type circuit breakers. Another form includes soft inserts which grip the actuating element and hold it. Another form includes a separate cap which is applied semi-permanently to the actuating members. Latching means latches the main parts together, which hold them in normally latched position, and a padlock locks them together.

REFERENCES:
patent: 1829444 (1931-10-01), Goebel et al.
patent: 2983799 (1961-05-01), Osieja et al.
patent: 3214530 (1965-10-01), Tharp et al.
patent: 3245240 (1966-04-01), De Forrest
patent: 3388224 (1968-06-01), Higgins
patent: 4260861 (1981-04-01), DiMarco
patent: 4281228 (1981-07-01), Harmon
patent: 4552394 (1985-11-01), Kesselman
patent: 4677261 (1987-06-01), Nourry
patent: 5039829 (1991-08-01), Brucksch
patent: 5122624 (1992-06-01), Berda

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