Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

1987-07-30

1989-03-28

Goldberg, E. A.

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Multiple contact type

335 72, H01M 6702

Patent

active

048167940

ABSTRACT:
The electromagnetic relay has a pair of normally closed and normally open fixed terminals which are disposed opposing each other. At least two normally closed fixed contacts are mounted on the normally closed fixed terminal, and at least two normally open fixed contacts are mounted on the normally open fixed terminal. The normally closed and normally open fixed terminals are commonly used by a plurality of relay units. Therefore, the relay can be small enough to be installed on a small area, and allows high-density electric circuits to be provided on circuit boards.

REFERENCES:
patent: 276087 (1883-04-01), Smithers
patent: 2505849 (1950-05-01), Bevis et al.
patent: 2611012 (1952-09-01), Baker
patent: 2680217 (1954-06-01), Hussey
patent: 3717829 (1973-02-01), Flaherty
patent: 3893194 (1975-07-01), Hayden et al.

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