| 摘要 |
PURPOSE: A book marker is provided to move up and down along vertical part of a marker body and to easily control the height of the marker. CONSTITUTION: A book marker comprises: marker body(1) attached by an adhesive member on back page of the book; and display plate(3) contacting the surface of the page. The marker body comprises: a horizontal part(11) attached by adhesive member, vertical part(12) having a protrusion(13) at the upper portion, vertical groove(21) which guides the protrusion, and a guide groove(22) formed in vertical direction of both sides. |
