| 摘要 |
PROBLEM TO BE SOLVED: To provide an easily replaceable bedding cover without changing the length of zipper, because it is normal for existing bedding cover that one of the longitudinal sides has an opening which can be opened and closed with a long zipper to take in and out bedding and other three sides are stitched and some covers have been improved, for example, having an additional zipper on the other sides to make it easy to replace covers, however this structure is inconvenient, for example, since the user is required to reverse the cover when replacing it and it is not preferable to provide an additional zipper, because the bedding cover cannot be used when the zippers are broken and has a disadvantage of the increased cost for the additional zipper.SOLUTION: Openings which are large enough for an arm to enter are provided near the two corners on the opposite side of the opening for bedding to be entered into of a normal bedding cover. |
