| 摘要 |
PURPOSE:To employ a jumper wire instead of a commutator by disposing the jumper wire led from a coil cylinder on a coil holding plate in a radially movable manner, and sliding the brush on the wire. CONSTITUTION:A jumper wire 2 led from one end of a coil cylinder 1 is engaged movably in a groove 7 formed on a coil holding plate 6. Since the groove 7 is directed radially of the cylinder 1, the wire 2 is movable only in the radial direction but no moved in a circumferential direction. Brush 3 is disposed on the wire 2 to contact the contacting surface 9. Thus, the brush 3 supplies a current while contacting the rotating wire 2. Since the wire 2 does not move in the circumferential direction, the contact current supply of the brush 3 is smoothly conducted. |
