摘要 |
In an engine starter having a planet reduction gear mechanism including a planet gear arm formed integrally on a driven shaft of the mechanism and having a plurality of holes and a corresponding number of roller pins pressure-inserted into the holes from one side surface of the planet gear arm and rotatably supporting planet gears, respectively, each hole is chamferred in the other side surface of the planet gear arm to receive a protrusion to be formed in the other side by the pressure-insertion of the roller pin. |