Timer controlled electromagnetic tripping apparatus for simultan

Details Timer controlled electromagnetic tripping apparatus for simultan Timer controlled electromagnetic tripping apparatus for simultan

1975-03-10

1977-04-19

Scott, James R.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Tripping means

200 18, 200330, 335 8, H01H 900, H01H 300

Patent

active

040191664

ABSTRACT:
A device adapted to be mounted on an existing multiswitch panel includes a plurality of spring biased trip rods which are adapted to engage the switch levers to move them to the OFF position when released. The rods are moved conjointly with the switches when the switches are turned to the ON position. Flexible detents block the return of the rods in the OFF direction until displaced by a single actuator rod operated by a programmed timer.

REFERENCES:
patent: 3365555 (1968-01-01), Ponsy
patent: 3367193 (1968-02-01), Rose
patent: 3582579 (1971-06-01), Ford et al.
patent: 3742172 (1973-06-01), Velez
patent: 3889088 (1975-06-01), Zdanys et al.

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