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    • 2. 发明授权
    • Lead cartridge opening and closing unit
    • 铅盒开关单元
    • US4836703A
    • 1989-06-06
    • US61293
    • 1987-06-12
    • Hidehei KageyamaYoshihide MitsuyaSaburo Kobayashi
    • Hidehei KageyamaYoshihide MitsuyaSaburo Kobayashi
    • B43K21/00
    • B43K21/003
    • A lead cartridge opening and closing unit wherein outward engaging piece portions are provided on a chuck type opening and closing mechanism which is divided into sections in the diametrical direction and has inward elastic force and which is further disposed on the lead cartridge; the outward engaging piece portions moving inwardly against the inward elastic force along the diametrical direction thereof thereby to open lead conducting holes in case of forcible insertion into and engagement with a lead guide, while the outward engaging piece portions being restored by means of the inward elastic force to move outwardly along the diametrical direction thereof thereby to close the lead conducting holes in case of release for the forcible insertion and engagement; whereby when the outward engaging piece portions of the chuck type opening and closing mechanism are forcibly fitted in the lead guide, the outward engaging piece portions move inwardly along the diametrical direction thereof to be resiliently fitted to and engaged with the lead guide so that the lead conducting holes are opened, and on the other hand when the outward engaging piece portions are drawn out from the lead guide, these outward engaging piece portions are restored outwardly by means of the inward elastic force along the diametrical direction thereof so that the lead conducting holes are closed.
    • 3. 发明授权
    • Mechanical pencil
    • 自动铅笔
    • US6082916A
    • 2000-07-04
    • US174914
    • 1998-10-19
    • Hidehei KageyamaYoshihide Mitsuya
    • Hidehei KageyamaYoshihide Mitsuya
    • B43K21/16B43K21/20B43K24/16
    • B43K21/20B43K24/16
    • In a mechanical pencil capable of double-chuck and side-knock type lead control functions, a slide member is axially slidably fitted in a barrel fixedly provided at its front end with a head cap, a knocking member is pivotally supported in an opening formed in the barrel to operate the slide member so that a lead projecting back chuck on which a chuck ring is loosely fitted is advanced against the resilience of a chuck spring biasing the lead projecting back chuck backward to project a lead, a sleeve is fitted on the back chuck, an inner barrel is fitted on the sleeve, and a lead holding front chuck is placed in the head cap and is biased backward by a spring.
    • 在能够进行双卡盘式和侧撞式引导控制功能的自动铅笔中,滑动构件轴向可滑动地装配在其前端固定地设置有头帽的筒中,一个敲击构件枢转地支撑在形成于 操作滑动构件的筒体,使得卡盘环松动地配合在其上的引线突出卡盘抵抗卡止弹簧的弹性,卡盘弹簧向后偏置引线突出后卡盘以突出引线,套筒安装在背面 卡盘,内筒安装在套筒上,并且引线保持前卡盘放置在头盖中并被弹簧向后偏置。
    • 8. 发明授权
    • Writing instrument
    • 书写工具
    • US5988914A
    • 1999-11-23
    • US152077
    • 1998-09-11
    • Hidehei KageyamaYoshihide Mitsuya
    • Hidehei KageyamaYoshihide Mitsuya
    • B43K29/02B43K24/06B43K25/00
    • B43K24/06
    • A writing instrument includes a tubular body, a guide sleeve, an outer sleeve, and a holder. The outer sleeve includes at least one groove on an inner surface thereof, and the guide sleeve includes at least one rib on a forward portion thereof to engage the groove of the outer sleeve. An inclined surface continuously inclining relative to the axial direction of the outer sleeve is formed at a rearward end portion of either side wall of the groove such that a width of the groove becomes wider in a direction of the rearward end. An inclined surface continuously inclining relative to the axial direction of the outer sleeve is formed at a forward end portion of either side wall of the rib such that a width of the rib becomes smaller in a direction of the forward end. An inclined angle of the inclined surface of the groove is not less than that of the inclined surface of the rib.
    • 书写工具包括管状体,导向套筒,外套筒和保持件。 外套筒在其内表面上包括至少一个凹槽,并且导向套筒在其前部上包括至少一个肋,以与外套筒的凹槽啮合。 在槽的任一侧壁的后端部形成有相对于外套筒的轴向连续倾斜的倾斜面,使得槽的宽度在后端的方向上变宽。 在肋的任一侧壁的前端部形成有相对于外筒的轴向连续倾斜的倾斜面,使得肋的宽度在前端的方向上变小。 槽的倾斜面的倾斜角度不小于肋的倾斜面的倾斜角度。