| 摘要 |
PURPOSE: A cold rolled silicon steel link type lumbar support device of a seat for a car is provided to improve ride comport by supporting the back part of passengers. CONSTITUTION: A cold rolled silicon steel link type lumbar support device of a seat for a car comprises a motor(2), a load shaft(3), first and second link frames(6,10), and a basket(14). The power source which is provided to the motor is blocked by a switch(1). The load shaft is rotated by the motor to cross the inside of a seat back. The first and second link frames can be close and apart according to the rotation direction of the load shaft. The basket protrudes from the seat back and supports the back part of passengers. |
