Switching relay

Details Switching relay Switching relay

1991-09-13

1993-06-01

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 78, 335128, H01H 5122

Patent

active

052163962

ABSTRACT:
A compact low profile relay fabricated upon a base such as a printed circuit board. A pole piece having a ceramic coating with overlain conductive polymer strips serves as bus bar for coil connection. Spaced ferromagnetic core portions are formed integrally with the pole piece for plural coils which each lie flat when received over a core portion. A generally U-shaped armature is received over each core with the open ends of the legs of the U-shape contacting and pivoted against the pole piece for completing a magnetic loop therewith. Upon energization of the coil, the U-shaped armature passes the end of the coil to effect movement of a switch blade arm to effect switching a pair of load current contacts.

REFERENCES:
patent: 3950718 (1976-04-01), Nagamoto
patent: 4356465 (1982-10-01), Agatahama
patent: 4370138 (1986-02-01), Motoyama et al.
patent: 4689587 (1987-08-01), Shroeder
patent: 4707675 (1987-11-01), Motoyama et al.
patent: 4831348 (1989-05-01), Agatahama et al.

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