| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a knock type pen with no possibility of dropping off of an operation part from a knock body not only when downward pressure is applied but also when upward pressure is applied in knocking. <P>SOLUTION: An operation part 5 is assembled to a knock body 4 by fitting a fitting part 8, which is provided to the operating part 5 on the side coming into contact with the knock body, to an engaging opening 11 formed to the knock body 4. An upper hook part 9 is formed to the end edge of the top surface of the engaging part 8, and a lower hook part 10 is formed to the end edge of the under surface of the fitting part 8. In engagement of the fitting part 8 to the engaging opening 11, the upper hook part 9 is hooked to an upper edge 12 of engaging opening 11 on the side opposite to the surface coming into contact with the operation part, and the lower hook part 10 is hooked to the lower edge 13 of the engaging opening 11 on the side opposite to the surface coming into contact with the operation part. <P>COPYRIGHT: (C)2012,JPO&INPIT |
