| 摘要 |
PROBLEM TO BE SOLVED: To provide a book cover, by which a predetermined page is opened simultaneously as the book cover is opened, and to provide a mounting body to open at a predetermined angle simultaneously as a stopper is removed.SOLUTION: In a book cover B, a plurality of wires 2 made of a shape memory alloy having a super elasticity are arranged along the direction for a book cover B to open, and the book cover B has a rubber band 12b acting as a book marker. The book cover B is made such that a page clamped by the rubber band 12b opens automatically when a stopper is removed.SELECTED DRAWING: Figure 1 |
