Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

1993-08-05

1994-08-16

Donovan, Lincoln

Electricity: magnetically operated switches, magnets, and electr

Electromagnetically actuated switches

Polarity-responsive

335 86, H01H 5122

Patent

active

053390598

ABSTRACT:
An electromagnetic switch is provided which comprises a movable switching contact movably supported by a movable switching contact assembly arranged on a support plate, a fixed switching contact, a magnetic coil assembly operable to urge the movable switching contact into contact with the fixed switching contact, and a retainer for retaining the fixed switching contact apart from the movable switching contact at a preselected interval. The retainer includes a switching contact mounting portion, a supporting portion secured to the support plate, and first and second connecting portions connecting the switching contact mounting portion and the supporting portion to form a polygonal frame structure which is so constructed as to be deformed under preselected forces applied thereto to adjust the positional relation between the movable and fixed switching contacts.

REFERENCES:
patent: 4224488 (1980-09-01), Rossi
patent: 4803451 (1989-02-01), Lueneburger
patent: 4926150 (1990-05-01), Backschmid et al.

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