| 摘要 |
<p>A two-piece pinion (30) gear includes a metal outer portion (44) and a plastic inner portion (46). The metal outer portion includes a plurality of gear teeth (36) that are adapted to be engaged by a driving member. The plastic inner portion preferably includes a spiraled groove (42) that is adapted to ride along a spiraled track (26) on a spline shaft (24) associated with an electric starting motor (20).</p> |
