Patent ID: 7302869
Filing Date: 2007-12-04
Classification: F02N,Y10T

Abstract:
1. An electric starter motor comprising: an electric motor; an output shaft to which torque is imparted by said electric motor; an overrunning clutch comprising: a pinion disposed integrally on said clutch inner so as to be movable axially and rotatable on said output shaft; an intermediate shaft disposed parallel to said output shaft; an intermediate gear intermeshing with said pinion, said intermediate gear being disposed so as to be rotatably supported by said intermediate shaft and movable axially on said intermediate shaft; and a movement linking body engaging with a cylindrical pinion boss portion disposed on said pinion and a cylindrical intermediate gear boss portion disposed on said intermediate gear such that each is rotatable relatively, said movement linking body restricting relative axial movement of said pinion and said intermediate gear, said electric starter motor moving said intermediate gear axially forward together with said pinion by means of said movement linking body during starting of an engine to intermesh said intermediate gear with a ring gear and start an engine, and moving said intermediate gear axially rearward together with said pinion by means of said movement linking body after said engine has been started to release said intermeshing of said intermediate gear with said ring gear, wherein: said pinion comprises: said movement linking body comprises: