| 摘要 |
PROBLEM TO BE SOLVED: To provide a cover member which can prevent buckling.SOLUTION: A cover member covers around a cylinder, has multiple crest parts 51, multiple trough parts 52 and connecting parts 53 connecting the crest parts 51 and the trough parts 52, and is flexible to a range direction of the multiple crest parts 51 and the multiple trough parts 52. The crest part 51 has a concave part 70 sinking to the cylinder side from a top 51a of the crest part 51, and the trough part 52 has a convex part 80 projecting to another side of the cylinder side from a bottom 52a of the trough part 52. |
