Electromagnetic relay with zig-zag armature spring

Details Electromagnetic relay with zig-zag armature spring Electromagnetic relay with zig-zag armature spring

1985-06-17

1986-12-09

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335279, H01F 708

Patent

active

046282904

ABSTRACT:
In order to define more precisely the pivot line (25) on which the armature (17) swings about the magnet yoke (12) at its line of contact therewith, the armature restoring spring (28) is made of spring wire (29) bent into meander shape. One end of it is attached to the magnet yoke and the other to an extension (31) of the armature that extends across the pivot line. A spring clip (34) is snapped over the restoring spring and onto the sides of the magnet yoke pushes the restoring spring against the magnet yoke and opposes lengthwise shifting of the armature across the edge (32a) on which it is pivoted.

REFERENCES:
patent: 2455690 (1948-12-01), Matthias
patent: 3117255 (1964-01-01), Peterson
patent: 3201541 (1965-08-01), Richert
patent: 3753181 (1973-08-01), Thornley

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