| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a member for a writing utensil including a first cylinder and a second cylinder firmly connected and preventing the first cylinder and the second cylinder from separating from each other even when it receives drop impact or is bent or the like. <P>SOLUTION: A rear end part of a first cylinder 3 and a front end part of a second cylinder 4 are connected to constitute a cylindrical member for the writing utensil. A plurality of engaging recesses 32 are provided in a distributed state in a circumferential direction at the inside of a rear end opening of the first cylinder 3, and provided in the longitudinal direction. A plurality of leg pieces 42 which extend in an axial direction and have flexibility in a radial direction are provided at the front end part of the second cylinder 4. A plurality of engaging protrusions 42a are provided in the longitudinal direction on a radial outer surface of the leg pieces 42. A plurality of engaging protrusions 42a provided in the longitudinal direction on the leg piece 42 and a plurality of engaging recesses 32 provided in the longitudinal direction at the inside of the rear end opening of the first cylinder 3 are engaged and fixed. <P>COPYRIGHT: (C)2012,JPO&INPIT |
