Patent ID: 6914504

Claim:
An electromagnetic switch for a starter, comprising: a solenoid casing configured into a cylindrical body having a bottom formed at one axial end, with a circular opening provided on said bottom; a coil accommodated inside said solenoid casing; a plunger disposed slidably inside said coil via a cylindrical sleeve; a switch casing surrounding an outer surface of said solenoid casing; a switch cover having two external terminals and two coil terminals and being fixed to said switch casing, one of said external terminals of said switch cover being a battery terminal connected to a battery, the other one of said external terminals being a motor terminal connected to a motor, and said coil terminals of said switch cover being electrically connected to two lead lines of said coil, respectively; and at least one pair of a projection and a groove engageable with each other, one of said projection and said groove being formed on an outer cylindrical surface of said solenoid casing and the other of said projection and said groove being formed on an inner cylindrical surface of said switch casing, and engagement of said projection and said groove positioning said solenoid casing in a circumferential direction of said switch casing at a time of inserting said solenoid casing into the switch casing such that said lead lines of said coil accommodated inside said solenoid casing are disposed in a vicinity of said coil terminals of said switch cover fixed to said switch casing.