| 摘要 |
<P>PROBLEM TO BE SOLVED: To solve the problem: a knocking load for turning a lid body becomes too big because the knocking load for moving a writing utensil body forward cannot be efficiently converted into the turning force of the lid body when the lid body is turned, in a delivery type writing utensil wherein the lid body capable of closing the leading end opening of an external body is turned to open the leading end opening and protruding the pen tip according to advancement of the writing utensil body. <P>SOLUTION: The delivery type writing utensil is provided with an inclined face including a plurality of slope faces or a recessed curved face as a driving means for giving a turning force to the lid body 10 to open a pen tip projection hole by moving the writing utensil body 2 forward to turn the lid body 10. <P>COPYRIGHT: (C)2010,JPO&INPIT |
