| 摘要 |
PURPOSE: To enhance assemblability and a damping characteristic in the case of molding an outer cylinder of a resin. CONSTITUTION: A rubber made elastic body 16 having a connection part. 16A extended from a periphery of an inner cylinder metal fitting 14 to an outer cylinder 12 side is arranged between the inner metal fitting 14 and the outer cylinder 12. A liquid chamber 26 is formed in the elastic body 16 and a liquid is enclosed therein. A partition wall material 28 is arranged in the liquid chamber 26 to divide it into two, a pressure receiving liquid chamber 26A and an auxiliary liquid chamber 26B. In an outer peripheral surface of an outer peripheral part 16B of the elastic body 16, a groove part 18 is formed along the peripheral direction. A passage forming member 20 is arranged in such a manner as to cover the outer peripheral surface of outer peripheral part 16B, and an opening part of groove 18 toward the outer peripheral surface side is closed by this passage forming member 20. With this constitution, an orifice for connection allowing the pressure receiving liquid chamber 26A to communication with the auxiliary liquid chamber 26B is formed. |
