Electro-magnetic relay having two armatures

Details Electro-magnetic relay having two armatures Electro-magnetic relay having two armatures

1986-08-08

1987-07-21

Harris, George

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335128, 335265, H01H 6702

Patent

active

046821333

ABSTRACT:
A relay includes two armatures each having a contact spring and a contact piece secured thereto which interacts with the respective cooperating contact element. The two movable contact pieces are electrically connected by a stranded copper conductor so that a series connection of the two contacts is formed. The series connection can be interrupted twice by the two armatures which switch independently of one another so that a reliable opening of the circuit is assured even if one of the contacts fuses. The relay is particularly useful for safety circuits such as in motor vehicles.

REFERENCES:
patent: 1383494 (1921-07-01), Soreng
patent: 1581830 (1926-04-01), Beschnitt
patent: 1795787 (1931-03-01), Mattingly
patent: 2353377 (1944-07-01), Vaughn
patent: 3801940 (1974-04-01), Grassl

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