| 摘要 |
A bush device having variable stiffness is disclosed. The present invention comprises an outer part; an inner part inside the outer part; a movable part between the inner and outer parts for joining the inner part to the outer part to be moved and having a void groove in which the inner part moves; and a movement control unit for controlling a moving range for the inner part as necessary. According to the present invention, buffer power suitable for the size and model of vehicles and a driver's preference by controlling a moving range for the inner part and the stiffness of the bush device as necessary. |
