Patent ID: 7019433

Claim:
An armature of a rotating electric machine, said armature comprising: a plurality of first magnetic teeth arranged side by side along a circumferential direction of the rotating electric machine; and a plurality of second magnetic teeth joined to the first magnetic teeth; wherein each of the first magnetic teeth has a yoke portion extending along the circumferential direction, end surfaces of the yoke portions of two adjacent magnetic teeth are positioned directly face to face with one another, a tooth portion extending from a central part of the yoke portion inward along a radial direction of the rotating electric machine, and a pair of joint portions formed along inner edges of both end surfaces of the yoke portion, the joint portions formed at the facing end surfaces of the yoke portions of each successive pair of adjacent first magnetic teeth together forming a connecting part, wherein each pair of adjacent joint portions forming the connecting part has a protruding shape sticking out in an extending direction of the tooth portion while the mating part has a dovetail groovelike shape; wherein each of the second magnetic teeth extends along the radial direction with a mating part formed at an outer end surface of each second magnetic tooth; and wherein each second magnetic tooth directly joining together the end surfaces of the yoke portions of two adjacent first magnetic teeth by fitting the connecting part of the two adjacent first magnetic teeth to the mating part.