Patent ID: 6633214
Filing Date: 2003-10-14
Classification: H01H

Abstract:
An electromagnetic relay comprising:a substantially C-shaped yoke having a longitudinally extending body and first and second legs each extending vertically from a respective end of said body; a winding frame having a winding body attached to said body of said yoke; an excitation coil wound around said winding body; an armature having a longitudinally extending portion, a pivoting shaft extending from one end of said longitudinally extending portion in a direction of extension of said first leg of said yoke, and a vertically extending portion extending from the other end of said longitudinally extending portion, said vertically extending portion being arranged to contact said second leg of said yoke when said excitation coil is excited; an insulating operating part arranged on said longitudinally extending portion of said armature; an insulating base housing arranged to support said first and second legs of said yoke, said base housing including a first insulating wall arranged between said excitation coil and said armature; and a movable contact and a fixed contact attached to said base housing, said movable contact and said fixed contact being arranged under said excitation coil and at least partially between said first and second legs of said yoke, said movable contact and said fixed contact being arranged to contact each other upon exertion of pressure by said operating part, said base housing including a second insulating wall arranged between said movable and fixed contacts and said armature, said second insulating wall including a hole in a substantially central portion, said operating part being arranged to press said movable contact via said hole in said second insulating wall.