ASSEMBLY COMPRISING A BRUSH CAGE AND A SPIRAL SPRING AND CORRESPONDING BRUSH HOLDER, ELECTRIC MOTOR AND MOTOR VEHICLE STARTER

摘要

The invention relates mainly to an assembly comprising a brush cage and a spiral spring (36), said spiral spring (36) comprising an axis (Y), a wound part (37) wound about said axis (Y) and an arm (39) extending from one end of said wound part (37), - said brush cage comprising at least one lateral wall provided with an opening for the passage of said arm (39) through said lateral wall so that one end of said arm (39) can press against at least part of an end face of a brush, characterized in that said arm (39) comprises a first portion (391) of which the width (L5) measured along said axis (Y) is different from the width (L6) of said wound part (37) measured along said axis (Y) of said spiral spring (36).