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1. 发明授权

US3865496A Combination pen and pencil writing device 失效
标题翻译：组合笔和铅笔写字装置
公开(公告)号：US3865496A
公开(公告)日：1975-02-11
申请号：US43133174
申请日：1974-01-07
申请人： ROBBINS GEOFFREY
发明人： ROBBINS GEOFFREY
IPC分类号： B43K24/12 , B43K27/10
CPC分类号： B43K24/12
摘要： A single writing instrument forming a combination pen and pencil and which is comprised of an elongated cylindrical body portion having a removable tubular cap portion at one end thereof and having a reduced diameter opening at the opposite end thereof, and with a pen type writing unit and a pencil type writing unit each mounted in the body portion for axial movement along the axis thereof and with each unit being separately movable between a writing position projecting outwardly of the reduced diameter opening of the body portion and a retracted position disposed within the body portion, a coiled spring associated with each writing unit and biasing each writing unit toward its retracted position, and locking devices associated with each writing unit for both guiding the axial movement of the separate writing units between its writing position and retracted position and also adapted to maintain each unit in its writing position when desired by an individual using the device.
摘要翻译：一种形成组合笔和铅笔的单一书写工具，其由细长的圆柱形主体部分组成，所述细长的圆柱形主体部分在其一端具有可拆卸的管状帽部分，并且在其相对端具有减小的直径的开口，并且具有笔式书写单元和铅笔型书写单元，其各自安装在主体部分中，用于沿着其轴线轴向运动，并且每个单元可在主体部分的缩小的直径开口向外突出的书写位置和设置在主体部分内的缩回位置之间分开移动，与每个书写单元相关联并将每个书写单元偏向其缩回位置的螺旋弹簧，以及与每个书写单元相关联的锁定装置，用于将分离的书写单元的轴向运动引导到其书写位置和缩回位置之间，并且还适于保持每个当使用该设备的个人需要时，单元处于其书写位置。

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