Patent ID: 6357309
Filing Date: 2002-03-19
Classification: F02N,Y10T

Abstract:
A starter comprising an armature provided with a shaft having a groove made in a circumferential direction near its one end, a bracket provided with a bearing rotatably supporting the one end of the shaft, a holder plate for holding the brush of a motor, screws for fixing the holder plate to the inside of the end surface of the bracket, and a washer having an inner peripheral portion fitted in the groove made in the circumferential direction of the shaft and an outer peripheral portion sandwiched between the bracket and the holder plate, the washer limiting the movement of the armature in the axial direction, wherein, letting the pitch of the screws=L when the screws for fixing the holder plate to the bracket are spaced 180 degrees apart, the outer diameter of the washer=D1, the outer diameter of the screw=D2, and the thickness of the holder plate=t, they satisfy the following Formula 1,D1+D21+D2+5tâ€ƒâ€ƒ(Formula 1).