发明名称 Composite writing utensil
摘要 A composite writing utensil for housing a plurality of writing members, at least one of which is a propelling pencil writing member, comprises a front shaft, a rear shaft which is rotatable relative to the front shaft, and a guide shaft for guiding the writing member in the back-and-forth direction. An annular engaging stepped portion projecting in the direction of inner diameter is formed on an inner peripheral surface of the rear shaft, and a plurality of engaging pieces formed at the rear end portion of the guide shaft to pass through an inner diameter-side hollow portion defined by the annular engaging stepped portion of the rear shaft and to be engaged with the engaging stepped portion of the rear shaft. A lead guiding member rotatable relative to the rear shaft is disposed between the plurality of the engaging pieces. The lead guiding member includes a lead guiding portion which further extends forward and communicates to an aperture at the rear end of the lead case of the propelling pencil writing member, and is formed with a plurality of concave portions on its peripheral surface to be fitted with the plurality of the engaging pieces.
申请公布号 US7080949(B1) 申请公布日期 2006.07.25
申请号 US20050128378 申请日期 2005.05.13
申请人 KOTOBUKI & CO., LTD. 发明人 YAMAMOTO TADASHI
分类号 B43K27/00 主分类号 B43K27/00
代理机构 代理人
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