| 摘要 |
A cylinder apparatus includes a cylinder and a rod contractibly extending from the cylinder. A cylindrical protecting cover is secured to the rod to cover the rod and the cylinder. The rod has a plate-shaped head cap secured thereto. The protecting cover is provided with clamp portions that axially clamp the outer peripheral portion of the head cap. The head cap is provided with circumferentially spaced projections projecting toward the cylinder, so that the axial dimension over which the head cap is clamped by the clamp portions is larger than the plate thickness of the head cap.
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