| 摘要 |
PROBLEM TO BE SOLVED: To form a ring-integral type writing instrument to be easily mounted by fixing a writing instrument cylindrical holder to an upper surface of a ring wide type, inserting a writing instrument with a protective cap into the holder, removing the cap, and inserting and holding the cap to a rear part of the holder, a bottom stop of the holder when written. SOLUTION: A writing instrument cylindrical holder 2 is fixed to an upper surface of a ring (wide type) 1, and a writing instrument 3 is contained in the holder 2 to an integral type. An ink tank is removable, a tip of the instrument 3 is covered with a protective cap 5 for protection. When using for writing, the cap is removed, inserted into a position of a bottom stop 4 of the holder, and working can be advanced in the holding state. Further, during another working, color coding writing work can be conducted without interruption. Thus, an efficiency can be improved, and performance of the work becomes excellent. |
