Patent ID: 8390153

Claim:
A linear motor for obtaining a thrust for linear movement with use of a magnetic field and coil carrying current, comprising: a rod having magnets; a plurality of coils surrounding the rod and arranged in an axial direction of the rod; a housing covering the coils; and a coil holder holding the coils in the housing, the coil holder having a holder main body elongated in a coil arrangement direction and having a plurality of preformed spacer portions made of resin, the spacer portions being formed integrally with the holder main body, and each coil being disposed in between adjacent preformed spacer portions of the coil holder, wherein the holder main body comprises a pair of holder main bodies which are plate-shaped and arranged in respective outer sides of the coils so as to surround the coils, and each of the holder main bodies has split spacer portions formed integrally therewith, each of the split spacer portions consisting of a half ring shape and when both of the holder main bodies together are in an assembled state, the split spacer portions constitute the spacer portions in a ring shape.