| 摘要 |
PROBLEM TO BE SOLVED: To reduce more an idling rotation of an engine and reduce more gear noise at the time of cranking of the engine, in a drive plate formed by a press working.SOLUTION: A drive plate 1 comprises a plate part 2 connected to a crank shaft of an engine and an annular ring gear part 3 having a plurality of outer teeth 30 extending from an outer circumference of the plate part 2 in an axial direction and at the same time engaged with a pinion gear PG of a starter motor for cranking the engine, the plate part 2 and the ring gear part 3 are integrally formed by a press working, a base end part 3a of the ring gear part 3 is connected to a metering part 27 formed at the plate part 2 to define an annular recess part 27a together with the ring gear part 3, and an annular inertia mass body 50 is fitted into the annular recess part 27a.SELECTED DRAWING: Figure 2 |
