Polarized electromagnetic relay

Details Polarized electromagnetic relay Polarized electromagnetic relay

1986-04-14

1987-06-09

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Magnets and electromagnets

With magneto-mechanical motive device

335 81, H01F 708

Patent

active

046723447

ABSTRACT:
A polarized electromagnetic relay has an armature extending through an axial opening in a coil body, a free end of the armature being switchable between two planar pole plates. The pole plates each have pole members disposed opposite one another and each further have top and bottom stop tabs received in spacer members which are a part of a flange of the coil body. Each pole plate with the pole members and stop tabs is stamped in a single cutting from sheet material. By positioning the stop tabs within the spacer members, a precise contact spacing between the two pole plates is insured with a low tolerance during assembly.

REFERENCES:
patent: 4091346 (1978-05-01), Nishimura et al.
patent: 4215329 (1980-07-01), Kobler
patent: 4311976 (1982-01-01), Sauer et al.
patent: 4560966 (1985-12-01), Nagamoto et al.
patent: 4577172 (1986-03-01), Schedele et al.
patent: 4577173 (1986-03-01), Schedele et al.

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