Electric starter motor for internal combustion engines

Claim 1

An end shield and bearing assembly for an electric starter motor for internal combustion engines, comprising a drive shaft for supporting an armature and a commutator and having an end; means mounted on said end of said drive shaft for compensating longitudinal play of the armature; a bearing for supporting said drive shaft for rotation; a commutator end shield having a bearing extension for receiving said supporting bearing and having an end face; a cover cap fitted over said bearing extension of said commutator end shield and having a middle pot-shaped portion for enclosing said end of said drive shaft with said compensating means; and means located lubricant-tight in said cover cap between said end face of said bearing extension and said cover cap and defining a lubricant space surrounding said compensating means, said lubricant space-defining means tightly engaging said end face of said bearing extension of said commutator end shield, said lubricant space-defining means comprising a lubricant cap which is formed of a plastic material, encloses said end of said drive shaft with said compensating means and is pressed by said cover cap against said end face of said bearing extension.