| 摘要 |
PURPOSE: A car door window regulator provided with a balance spring is provided to prevent the lowering of efficiency of a balance spring by pollutants and to prevent a notch of a balance spring from cutting off easily. CONSTITUTION: The car door window regulator provided with a balance spring comprises a driving arm provided with a fan-shaped gear part engaged with a driving motor and hinged on an auxiliary arm, a base plate fastened by the driving arm and a female shaft(4), and a spiral balance spring(100) whose one end is fixed to the base plate and the other end is fixed to the female shaft(4), wherein the outside of the balance spring(100) is covered with a covering member(101). |
