| 摘要 |
PROBLEM TO BE SOLVED: To protect a dust seal without impairing assemblability and maintainability.SOLUTION: In a hydraulic cylinder in which a dust seal 24 is attached to the inner periphery of a cylinder extension side end part in a rod cover 21, a cylindrical dust seal protection part 25 having an inner diameter dimension A larger than the outer diameter of the dust seal 24 is provided at the cylinder extension side end part of the rod cover 21 in a state in which a space S for maintenance is formed between the dust seal protection part 25 and a piston rod 22 and the dust seal protection part 25 projects to the cylinder extension side with respect to the dust seal 24. |
