| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide an engine starting device that is compatible with the case of repeatedly operating the structure of a switch part. <P>SOLUTION: A switch part S of the engine starting device 1 is constituted of a switch shaft 21 fixed to a brush holder stay 5 supporting a brush 22 of the motor part M and displaced in a directly running direction to a contact point surface of upper and lower fixed contact points 25a, 23 with the excitation of the upper and lower fixed contact points 25a, 23 and an electromagnetic control section E, a movable contact point 29 outwardly fitting around and supported by the switch shaft 21 so as to freely move in a longitudinal direction of the shaft, a biasing spring 30 biasing the movable contact point 29 to the fixed contact point side, a boss part 29e protruding in the longitudinal direction of the shaft is formed in a through hole 29a forming part outwardly fitting around the switch shaft 21 of the movable shaft 29. <P>COPYRIGHT: (C)2012,JPO&INPIT |
