Patent ID: 8196722

Claim:
A damper comprising: a cylinder tube having a first end arranged to be connected to a first portion of a member to be damped; a fixing rod guide arranged to close a second end of the cylinder tube; a movable rod guide axially and slidably fitted on the first end of the cylinder tube; a piston axially and slidably fitted in a middle section in an axial direction of the cylinder tube; a main piston rod extending from the piston, passing through the fixing rod guide, and arranged to be connected to a second portion of the member to be damped; a sub-piston rod extending from the piston and passing through the movable rod guide; and a spring disposed coaxially with an axial center of the cylinder tube and normally biasing the movable rod guide toward the piston; wherein a first oil chamber is defined between the fixing rod guide and the piston; a second oil chamber is defined between the movable rod guide and the piston; a damping force generation oil passage connects the first and the second oil chambers; the cylinder tube includes a connecting section arranged to connect the first end of the cylinder tube to the first portion of the member to be damped, and an end of the sub-piston rod opposite to the piston is movable into the connecting section; an elastic body including an admission hole is provided in the first portion of the member to be damped and the end of the sub-piston rod opposite to the piston is movable into the admission hole; and the connecting section extends in the axial direction of the cylinder tube and is inserted into the admission hole.