Electromagnetic relay

Details Electromagnetic relay Electromagnetic relay

H - Electricity

01

H

H01H 51/00 (2006.01) H01H 50/60 (2006.01)

Patent

CA 2101143

An electromagnetic relay having a plate spring provided with a movable contact and an L-shaped bent portion at the middle portion of the plate spring, an armature fixed on one side of the plate spring with respect to the bent portion, and having a first offset portion spaced from the plate spring between a first fixed portion of the plate spring and the bent portion and a blocking portion for changing the supporting position of the plate spring in accordance with the deflection of the plate spring, and a yoke fixed on the other side of the plate spring with respect to the bent portion, and having a second offset portion spaced from the plate spring between a second fixed portion of the plate spring and the bent portion. As a result, the magnetic path of an armature and a yoke is not made narrow in the case where a working precision is increased by reducing the number of the portions at which the plate spring is bent, and a sufficient contact pressure can be maintained without generating the two-step operation phenomenon even when the suction force of the coil is low.

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