Patent ID: 9206874
Filing Date: 2015-12-08
Classification: B60G,F16F

Abstract:
1. A damper with an air spring, comprising: a damper main body having a cylinder and a piston rod inserted into the cylinder, the cylinder forming a first air chamber; a cylindrical diaphragm attached to a side of the cylinder at a first end thereof and to a side of the piston rod at a second end thereof and forming a second air chamber around the damper main body; a first attachment case to which the first end of the diaphragm is attached; and a second attachment case to which the second end of the diaphragm is attached, wherein the first attachment case is fitted on an outer periphery of the cylinder, the first air chamber and the second air chamber are in fluid communication, the first attachment case includes a first cylinder portion and a second cylinder portion coaxially continuous with the first cylinder portion, an inner diameter of the second cylinder portion is smaller than that of the first cylinder portion to form an inner-diameter step portion between the first cylinder portion and the second cylinder portion, the inner-diameter step portion is brought into abutting contact with an upper end surface of the cylinder of the damper main body in an axial direction, the upper end surface being provided at an uppermost end of the cylinder, the first end of the diaphragm is attached to an outer periphery of the second cylinder portion of the first attachment case, the second attachment case is fixed to the piston rod, and the second cylinder portion is provided above the upper end surface in the axial direction.