| 摘要 |
<p>PURPOSE: To eliminate the possibility of rusting without failing the mechanical strength. CONSTITUTION: An iron covering part 12 made of resin is formed in a manner to cover both laminating face of an iron core wound by a primary coil 14 and secondary coil 16 and both end faces thereof in a laminating direction. Holes 12a and 12b are made in the part 12 in such a manner that they surround the openings on both ends of a fitting hole 11a prepared on the iron core. Collars 13 are arranged in a state where the fitting hole of the iron core is penetrated. Both end of the collar 13 is terminated at the position shorter before the opening ends of the hole in the part 12, and when a screw for fitting ion core is screwed in a screw hole for fitting part through the collar 13 and tightened, a washer arranged between the head of screw and the part 12 is pressed to the end part of the collar 13 in order to regulate the deformation quantity of the part 12.</p> |
