| 摘要 |
According to an embodiment of the present invention, a lever arm assembly for driving a variable vane has a first part coupled to a connection member of an adjusting ring and a second part coupled to a variable vane rotary shaft. The lever arm assembly for driving a variable vane comprises: a lever arm which has a first hole formed in the first part and a second hole formed in the second part; an elastic member of which at least a part is arranged in the first hole in a hollow shape and of which a first surface facing the connection member is formed to be curved; and a ball joint which is formed to surround the outer surface of the connection member and of which at least a part is arranged in the elastic member in a hollow shape and a second surface facing the elastic member is formed to be curved. Therefore, the lever arm assembly for driving a variable vane extends the replacement cycle thereof. |
