| 摘要 |
PROBLEM TO BE SOLVED: To collectively solve the problems that a bookmark made of a slip of paper, etc. interferes with book reading because the bookmark covers a certain area of an opened page when a book is opened, which necessitates moving the bookmark and inserting it into other pages when starting reading, and that a bookmark does not adapt to a curve of a paper surface due to its stiffness when a book is opened, which gives discomfort each time a page is turned, and causes the bookmark to come off if care is not exercised.SOLUTION: A bookmark is formed into a small piece using the thickness of a core while securing a function for opening a book. Also, a visor part is provided to the bookmark so as to prevent the coming-off. |
