Electricity: magnetically operated switches – magnets – and electr – Magnets and electromagnets – With magneto-mechanical motive device
Patent
1987-10-07
1989-05-23
Goldberg, E. A.
Electricity: magnetically operated switches, magnets, and electr
Magnets and electromagnets
With magneto-mechanical motive device
335119, 335128, H01F 700, H01F 708
Patent
active
048334359
ABSTRACT:
An electromagnetic relay having a double armature structure comprises: an electromagnet; a pair of armatures which are individually rotatably arranged at the right and left positions of the electromagnet and are symmetrically rotated by the attractive forces of the electromagnet against a return spring; and a pair of contact mechanisms which are closed or opened by the rotation of the armatures. The electromagnet has a pair of iron cores to respectively attract the pair of armatures, or has a single iron core and respectively adsorbs the pair of armatures at both ends of this iron core. With this relay, even if one of the contact mechanisms was not open due to the melt-bonding, the other is opened.
REFERENCES:
patent: 2632820 (1953-03-01), Gauvreau
patent: 4254391 (1981-03-01), Gould
patent: 4682133 (1987-07-01), Kern
Donovan Lincoln
Goldberg E. A.
Omron Tateisi Electronics Co.
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