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    • 5. 发明授权
    • Mechanical pencil having a rotatable wheel for advancing lead
    • 机械铅笔具有用于推进铅的可旋转轮
    • US07097375B1
    • 2006-08-29
    • US11315671
    • 2005-12-20
    • Cuong Phu BuiJack McGrath
    • Cuong Phu BuiJack McGrath
    • B43K21/22
    • B43K21/02
    • A mechanical pencil is described. The mechanical pencil includes a grip barrel with a slide member to hold a piece of lead. A wheel is rotatably mounted in the grip barrel around a wheel axis, such that a portion of the wheel extends through and beyond an opening in the grip barrel. A gear is attached with the wheel for sliding the slide member that is slide-ably disposed within the grip barrel. A chuck is connected with the slide member such that a user may roll the wheel to force the chuck to push lead from the lead chamber and out of the grip barrel, thereby allowing the user to control advancement of the lead from the mechanical pencil.
    • 描述了一种自动铅笔。 该自动铅笔包括具有滑动构件以夹持一片铅的握柄。 车轮围绕车轮轴线可旋转地安装在抓握筒中,使得轮的一部分延伸穿过并超过抓握筒中的开口。 齿轮与轮连接,用于滑动滑动构件,滑动构件滑动地设置在把手筒内。 卡盘与滑动构件连接,使得使用者可以滚动轮来迫使卡盘将引导件从引导室推出并从夹紧筒中移出,从而允许使用者控制铅笔从铅笔的前进。