| 摘要 |
PURPOSE: A ruler having sawteeth is provided to facilitate cutting papers in a linear direction by consecutively forming sawteeth in longitudinal direction. CONSTITUTION: A ruler having sawteeth(10) has sawteeth on one side which is consecutively formed in longitudinal direction. In the ruler having sawteeth, a first plate portion(30) and a second plate portion(20) are formed in parallel so that the ruler can be folded by hinges(40). On one-side of the first plate portion and the second plate portion, the sawteeth are formed. As the first plate portion and the second plate portion are folded, the sawteeth are formed in one inner side. The sawteeth part is accepted to holding grooves(22). On the side of the sawteeth, an inclined plane(34) is formed. |
