| 摘要 |
PURPOSE: A rotational speed reduction device of a motor in a regulator of a door glass using a pulley principle is provided to reduce load of the motor, to minimize noise produced by the driving of the motor, and to improve a fault in ascent and descent of the door glass while minimizing friction resistance of a wire and a pulley. CONSTITUTION: A door glass regulator system includes a motor(1), a first pulley(2), upper and lower second pulleys(3,3'), a wire(4), an operation weight(5), a carrier plate(6), and a channel(7). In a rotational speed reduction device of a motor in a regulator of a door glass(8) using a pulley principle, upper and lower third pulleys(10,10') using the pulley principle are connected to the first pulley to reduce noise caused by the rotation of the motor through the wire. The ends of a wire extended from the upper and lower second pulleys are fixed to the third pulleys through fixing points(A,B).
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