| 摘要 |
A solenoid coil bobbin of the present invention for an electromagnetic switch which has a lead wire part of a coil being provided with projections an outer circumference walls adjacent to a pair grooves to be included the lead wire in the opening therebetween, each top end of the projections further having a swollen portion which protrudes in some length from a shape of a hall of the rigid iron core to be inserted the lead wire part therein, so that the swollen portion closes the opening of the lead wire part when inserting the lead wire part in the hall.
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