Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

1988-05-10

1989-07-25

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335275, H01F 708

Patent

active

048518026

ABSTRACT:
A relay includes a coil member having an axial cavity within which is an elongated rigid armature interacting with at least one pole plate in contacting fashion. The armature is positioned in the coil member by a spring frame which is prestressed to the quiescent position. The spring frame has two cross legs approximately parallel to the armature plane and two long legs extending laterally of the armature and lying in planes perpendicular to the armature plane. A spring tongue extends from one of the cross legs and to between the long legs, the free end of the spring tongue being connected to the armature. The spring frame produces a stable holding for the armature in the coil member and provides operational adjustment from outside the relay.

REFERENCES:
patent: 3260818 (1966-07-01), Fisher et al.
patent: 4346359 (1982-08-01), Pirner et al.

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