Electric switch having a pivotal contact link-actuating arm

Details Electric switch having a pivotal contact link-actuating arm Electric switch having a pivotal contact link-actuating arm

1995-10-17

1997-07-29

Luebke, Renee S.

Electricity: circuit makers and breakers

Snap

Double snap

200533, H01H 1320

Patent

active

056514522

ABSTRACT:
An electrical switch includes a stationary contact supported in a housing; a movable contact displaceable between first and second states toward or away from the stationary contact; a blade stationarily supported in the housing; a contact link carrying the movable contact and being rockably supported on the blade to assume first and second pivotal positions thereon to place the movable contact into the first or second state; an operating device movably supported in the housing and being movable in opposite directions of displacement into an operated state and an unoperated state; a first resetting arrangement means for urging the operating device into the unoperated state; a pivotal arm extending from the operating device; a pivot bearing pivotally securing the pivotal arm to the operating device; an operating stud attached to the pivotal arm and cooperating with the contact link for placing the contact link into the first or second pivotal position as the operating device moves into the unoperated or operated state; and a second resetting arrangement for urging the pivotal arm and the operating stud toward the contact link. The pivot bearing and the operating stud are spaced from one another such that in the unoperated state the operating stud is in contact with the contact link and the pivot bearing is situated laterally adjacent the contact link relative to the directions of displacement of the operating device.

REFERENCES:
patent: 3999024 (1976-12-01), Marquardt
patent: 4006333 (1977-02-01), Hults
patent: 4459448 (1984-07-01), McDill

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