Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

1999-09-22

2000-10-17

Gellner, M. L.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 80, 335 84, 335 85, 335124, 335274, H01H 5122

Patent

active

061338133

ABSTRACT:
A relay has a leaf spring that is secured to a planar seating section of a yoke leg and/or to the planar seating section of the armature and has an unsecured spring section extending beyond the free end of the yoke leg or, respectively, the armature. In order to avoid a plastic deformation of the leaf spring given impacts, the planar seating section respectively merges into a convexly curved roll-off section of which the leaf spring rolls off given a blow without being bent permanently. The end of the roll-off motion is expediently limited by a detent and, in this way, it is assured that the relay does not suffer any permanent modifications of its characteristics, even given heavy blows.

REFERENCES:
patent: 4870378 (1989-09-01), Biehl et al.
patent: 5003274 (1991-03-01), Chikira et al.
patent: 5095294 (1992-03-01), Chikira et al.

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