| 摘要 |
PURPOSE:To adjust a pulse generator easily and precisely by changing a relative angle position between an index gear formed on a rotary member and a rotation detecting plate to switch an engaging position of a gear with an index projection. CONSTITUTION:A position adjusting means for adjusting the rotating direction of the rotation detecting plate 11 is constituted by projecting an index projection 11c so that the gear part of the index gear 10 is engaged with the rotation detecting plate 11. Since the rotation detecting plate 11 is pressed to the index gear 10 by a fixed spring 12, the index projection 11c is engaged with the gear part and the position is regulated in the rotating direction to transmit the turning force. If the rotation detecting plate 11 is separated against the spring force of the fixed spring 12, the rotation detecting plate 11 is feed from the position regulation of the rotating direction and can be adjusted at its position in the rotating direction. A projection 10b of the index gear 10 is also engaged with the gear part of a motor pinion 7, so that the index gear 10 can be regulated at its position in the rotating direction. |
