| 摘要 |
The coreless cylindrical armature has a cylindrical coil made of at least one coil unit which includes a plurality of lead wires. Each lead wire traverses at least twice between the peripheral edges of the coil cylinder as it makes one turn around the coil cylinder. The lead wires are regularly spaced angularly of the coil cylinder to provide a full pitch winding that is two layers thick throughout as a result of the winding, but for a respective plurality of apical regions marginally of each peripheral edge of the coil cylinder. Several ultimate dispositions of these apical regions are described.
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