Starting device for internal combustion engine, has starter pinion, starter relay and coupling unit with two arms engaged around shaft portion, where arms are related to each other and their angular position is variable

摘要

The starting device has a starter pinion (2) and a starter relay (6) for adjusting the starter pinion between a disengaged position and an engaged position, in which the starter pinion is engaged with a tooth rim (3) of an internal combustion engine (4). A coupling unit has two arms engaged around a shaft portion, where the arms are related to each other and their angular position is variable. The coupling unit is made from plastic.