Latching system for contact operating mechanism

Details Latching system for contact operating mechanism Latching system for contact operating mechanism

1979-01-15

1981-02-24

Broome, Harold

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Automatic circuit-interrupting devices

335174, H01H 7700

Patent

active

042530750

ABSTRACT:
A trip-free contact operating mechanism is provided with a latching system for maintaining a releasable cradle in its reset position. The latching system includes a lever mounted on a fixed pivot and having one end latchable by a cam member movable by a fault current responsive automatic trip means. A latch pin mounted in slots at the other end of the lever is engageable with the cradle for maintaining the latter in reset position. The latch pin is movable mounted on the lever in a manner such that the former may rotate about its axis, it may move lengthwise of the mounting slots, and the pin may pivot about an axis perpendicular to the pin axis and in the vicinity of one end of the pin.

REFERENCES:
patent: 3525959 (1970-08-01), Ellsworth et al.
patent: 4088973 (1978-05-01), Kussy et al.

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