Patent ID: 9599186
Date: 2017-03-21
CPC Classifications: F16F

Claim:
1. A damper device, comprising: a first rotary member into which a power of an engine is inputted; a second rotary member disposed to be rotatable with respect to the first rotary member; a first coil spring configured to be compressed between the first rotary member and the second rotary member; a second coil spring configured to be compressed between the first rotary member and the second rotary member, and having a stiffness greater than a stiffness of the first coil spring; an intermediate member configured to engage the first coil spring and the second coil spring and to couple the first coil spring and the second coil spring in series, the intermediate member being axially disposed between the first and second rotary members at an inner peripheral side of the first and second coil springs; a first stopper mechanism configured to deactivate the first coil spring by causing the intermediate member and one of the first rotary member and the second rotary member to contact each other; and a first contact relief member disposed movably inside the first coil spring and configured to relieve the contact in the first stopper mechanism during activation of the first coil spring.