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20 条记录 (耗时 0.013 秒)

    Force amplifying initiating device
    2.
    发明授权
    Force amplifying initiating device 失效
    强制放大启动装置

    公开(公告)号：US06516725B2

    公开(公告)日：2003-02-11

    申请号：US09929525

    申请日：2001-08-14

    申请人： Frederick Alexander Jackson ,  John Hofmeyr Godsiff

    发明人： Frederick Alexander Jackson ,  John Hofmeyr Godsiff

    IPC分类号： F42B532

    CPC分类号： F42C19/10 ,  Y10S102/702

    摘要： A cartridge assembly 10 includes a shell 12 containing a propellant charge 19. At a rear, open end, the shell 12 holds a force amplifying initiating device 20, in turn holding a rim fire primer 22 in operative association with the propellant 19. A firing pin body 40 is movably held within the device 40 to expose a rear of the body 40 to a shock wave to initiate the device 20. A fore end of the body 40 includes a taper formation 48 having a rounded fore point 50 aligned with an inactive surface of the primer 22 centrally within a firing rim. Inadvertent (mechanical) actuation of the firing pin 40 will fall to cause sufficient and sufficiently fast impingement on the primer to initiate the primer. Only a shock wave can cause initiation. The primer 22 is held in a collar 34 allowing it to flare open upon initiation and holding it within the shell 12 after initiation.

    摘要翻译： 盒组件10包括壳体12，其包含推进剂装料19.在后部开口端，壳体12保持力放大启动装置20，而后继承装有与推进剂19可操作关联的边缘防火底漆22。 销体40可移动地保持在装置40内，以将主体40的后部暴露于冲击波以启动装置20.主体40的前端包括锥形结构48，其具有与非活动状态对齐的圆形前点50 底漆22的表面在焙烧边缘内居中。 撞击销40的意外（​​机械）致动会下降，引起足够的和足够快的冲击底漆以引发底漆。 只有冲击波可以引起启动。 底漆22保持在套环34中，允许其在起始时开启并在启动之后将其保持在壳体12内。

    Personal alarm system
    5.
    发明授权
    Personal alarm system 有权

    公开(公告)号：US09886837B1

    公开(公告)日：2018-02-06

    申请号：US15283395

    申请日：2016-10-01

    申请人： Frederick Alexander

    发明人： Frederick Alexander

    IPC分类号： G08B21/24 ,  G06K7/10

    CPC分类号： G08B21/24 ,  G06K7/10009 ,  G06K7/10366 ,  G06K7/10396

    摘要： A wireless personal alarm system designed to prevent a person from inadvertently losing or forgetting valuable personal articles such as cellphone, wallet, or keys. The system includes tags which are affixed to a valuable personal article, and includes facets which each correspond to a different tag. When the tag and its corresponding facet are too far apart, the system activates an alert to the user, thereby alerting the user to not forget the article affixed to the tag.

    Particulate material distributor, having a tensioned flexible cover for clean-out aperture below hopper
    6.
    发明授权
    Particulate material distributor, having a tensioned flexible cover for clean-out aperture below hopper 失效
    颗粒材料分配器，具有用于在料斗下方清洁孔的张紧的柔性盖

    公开(公告)号：US4733824A

    公开(公告)日：1988-03-29

    申请号：US891150

    申请日：1986-07-31

    申请人： Frederick Alexander

    发明人： Frederick Alexander

    IPC分类号： A01C15/00 ,  A01C15/04

    CPC分类号： A01C15/04 ,  A01C15/006

    摘要： For overcoming certain inherent disadvantages associated with most agricultural fertilizer distributors, a hopper having a distributor under its floor has a clean out door that is adapted to be closed using a tensioned flexible cover. The flexible cover is drawn into sealing abutment with the edges of the hopper housing walls by tensioning members. Advantages of this difference in construction include, for example, the ease with which blockages can be cleared from the distributor mechanism without the necessity of first emptying the contents of the hopper. The flexible cover is made of non-corrosive material and is not easily damaged by rough handling.

    摘要翻译： 为了克服与大多数农用肥料分配器相关的某些固有缺点，在其地板下方具有分配器的料斗具有适于使用张紧的柔性盖封闭的清洁的门。 柔性盖通过张紧构件被拉入与料斗外壳壁的边缘密封抵接。 这种构造差异的优点包括例如可以从分配器机构清除堵塞的容易性，而不需要首先排空料斗的内容物。 柔性盖由非腐蚀性材料制成，不容易因粗加工而损坏。