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1. 发明授权

US08696226B2 Rotary pencil 有权
标题翻译：旋转铅笔
公开(公告)号：US08696226B2
公开(公告)日：2014-04-15
申请号：US12876313
申请日：2010-09-07
申请人： Stefan Hornfeck
发明人： Stefan Hornfeck
IPC分类号： A45D40/04
CPC分类号： B43K21/085 , A45D40/04 , A45D40/205 , A45D2040/208 , B43K21/12
摘要： A rotary pencil includes a sleeve-shaped shaft having a front end and a rear end, a threaded spindle mounted to be fixed against rotation and axially movable in said shaft and having an at least single-start external thread. At least one threaded element is fixed in axial and rotating directions relative to the shaft and engages into the external thread. The front end of the external thread is adjoined by a cylindrical spindle section which extends over the entire circumference of the spindle, namely a free-running section, and has an external diameter corresponding to a core diameter of the external thread.
摘要翻译：一种旋转式铅笔包括具有前端和后端的套筒形轴，螺纹主轴安装成固定以防止旋转并且可在所述轴中轴向移动并且具有至少一个起始的外螺纹。至少一个螺纹元件相对于轴固定在轴向和旋转方向上并且接合到外螺纹中。外螺纹的前端由圆柱形主轴部分相邻，圆柱形主轴部分在主轴的整个圆周上延伸，即自由运动部分，并且具有对应于外螺纹的芯直径的外径。

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