Detachable device for locking a contactor in its "on" position

Details Detachable device for locking a contactor in its "on" position Detachable device for locking a contactor in its "on" position

1983-03-21

1984-12-25

Miller, Jr., George H.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Latching means

335168, 335132, 335190, H01H 920

Patent

active

044907028

ABSTRACT:
A coupling piece (12) which is connected to a mobile component (18) of the contactor, has two stepped thrust surfaces (19, 20), each able to cooperate with one of two locking levers, (23, 24), both of which are repelled by an electromagnet (32) when the contactor is turned off. This device is particularly advantageous when the mobile components of the contactors move over different distances.

REFERENCES:
patent: 2694758 (1954-11-01), Keen
patent: 3812440 (1974-05-01), Cook
patent: 3882435 (1975-05-01), Grass et al.
patent: 4139830 (1979-02-01), Streich et al.
patent: 4185259 (1980-01-01), Forargue

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