Patent ID: 8421566

Claim:
A linear solenoid comprising: a coil assembly including a coil which generates a magnetic flux when being energized; and a cup-shaped yoke arranged at an outer peripheral side of the coil and configured to pass therethrough the magnetic flux, wherein the yoke is provided with a recess portion that is opened at least at a position in a circumferential direction of the yoke and extends in an axial direction of the yoke, the coil assembly further includes a connector portion that has a terminal connected to an exterior and is exposed from the recess portion to an outside of the yoke, and a secondary molding portion made of a secondary molding resin in which the coil is insert-molded, the secondary molding portion includes a cover portion that is arranged to cover the recess portion of the yoke from an outer peripheral side of the recess portion, the secondary molding portion further includes a holding portion that protrudes from an outer periphery of the coil to an outer peripheral side and holds the cover portion at the outer peripheral side of the recess portion of the yoke, the holding portion includes first and second leg portions that are arranged in the circumferential direction and extend in the axial direction, the cover portion extends in the circumferential direction and the axial direction to form a part of a cylindrical wall, and the cover portion is larger than the recess portion in dimension in the circumferential direction.