Patent ID: 6398288
Filing Date: 2002-06-04
Classification: E05F,E05Y

Abstract:
In a motor vehicle having a pivoting door that pivots upward and downward, a control device for controlling said pivoting door, comprising:an electric drive unit for pivoting said pivoting door by an electric power; a door operation switch that permits the pivoting door to pivot between a full-close position and a full-open position with the aid of said electric drive unit when operated; a movement stopping means that stops and holds the pivoting door at a half-open position when operated; and a control unit for controlling said electric drive unit and said movement stopping means in accordance with an ON/OFF operation of said door operation switch; in which said electric drive unit comprises: a reversible electric motor; a speed reduction gear having an input part connected to an output part of said motor; an opening/closing mechanism that converts a power of the output part of said speed reduction gear to the pivoting movement of the pivoting door; and an electric clutch operatively disposed in a power transmission path that extends from said motor to said opening/closing mechanism, said electric clutch having both an engaged condition wherein said power transmission path is established and a disengaged condition wherein said power transmission path is broken; in which said power transmission path constitutes said movement stopping means when said electric motor is de-energized and said electric clutch assumes said engaged condition.