| 摘要 |
<P>PROBLEM TO BE SOLVED: To reduce impact sound generated by abutting of a weight body on a rear reception body when shaking a barrel, in a shaking-out type mechanical pencil capable of feeding a core stored in a core tank connected continuously to a chuck by longitudinally moving a weight body externally fitted to a core tank between a front reception body and a rear reception body arranged on the front side and the rear side of the weight body and abutting on the weight body by shaking a barrel, and making the weight body abut on the front reception body to advance the chuck. <P>SOLUTION: On an inner wall surface of an inner pipe part 15b inserted in the rear end of a barrel 2 of a crown 15 formed by integrally forming a clip 14, two elastic pieces 20 projecting inward from the inner wall surface and circumferentially extending in the circumferential direction separately from an outer peripheral surface of a core tank 5 are formed to be used as a rear abutting body 21. When a weight body 12 abuts on the rear abutting body 21, the elastic pieces 20 are bent rearward, and thereby absorbs impact to reduce impact sound. <P>COPYRIGHT: (C)2013,JPO&INPIT |
