| 摘要 |
PURPOSE: A damper spring of a clutch disc is provided to absorb shock of a sudden torque with respect to generating the maximum torque of an engine and to minimize vibration and noise. CONSTITUTION: A damper spring(10) of a clutch disc(5) formed a coil type and a differential outer diameter at winding intervals to buffer a gear shifting shock and to absorb a sudden torque shock by the friction of coil units is composed of a first coil unit(12) being a predetermined diameter, and a second coil unit(16) being smaller that the diameter of the first coil unit and forming to the first coil unit in one body. The first and second coil unit are arranged alternatively to absorb shock according to the maximum torque of an engine by friction thereof.
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