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    • 12. 发明申请
    • Systems and methods for providing access to instructional content
    • 提供对教学内容的访问的系统和方法
    • US20090187572A1
    • 2009-07-23
    • US12009362
    • 2008-01-18
    • Edward M. IvesDavid J. Smith
    • Edward M. IvesDavid J. Smith
    • G06F17/30
    • G06F9/453
    • Methods and apparatus are provided for locating trustworthy how-to content (e.g., on the Internet), and providing access to such content (e.g., via a web site). Some embodiments provide a method for making trustworthy how-to content accessible, which method includes locating an item of how-to content made available for access by a provider; creating at least one how-to entry corresponding to the item of how-to content which enables a user to access the how-to content and which includes some indication of the source (and thus also, to a user familiar with the source, an indication of the quality) of the how-to content; and providing the user with access to the how-to entry via at least one network (e.g., the Internet).
    • 提供了用于定位可信赖的操作内容(例如,在因特网上)并且提供对这样的内容(例如,经由网站)的访问的方法和装置。 一些实施例提供了一种用于使可信赖的内容可访问的方法,哪种方法包括定位可供供应商访问的可用内容的内容的项目; 创建对应于使得用户能够访问所述内容的方式的内容的项目的至少一个操作条目,并且其包括源的一些指示(并且因此还包括熟悉该源的用户, 指示质量)的how-to内容; 以及经由至少一个网络(例如,因特网)向用户提供对该操作条目的访问。
    • 14. 发明授权
    • Brush assembly
    • 刷子总成
    • US06664701B1
    • 2003-12-16
    • US10171180
    • 2002-06-13
    • Earl M. OrttDavid J. Smith
    • Earl M. OrttDavid J. Smith
    • H02K1310
    • H01R39/385H01R39/415H02K5/148Y10T29/49002Y10T29/49009Y10T29/49117Y10T29/49119
    • A brush assembly has a base with a member to secure the base to a motor end cap assembly. A brush housing is associated with the base. The brush housing includes first and second open ends. A brush, defining an axis, is slidably supported within the housing. The brush extends from one of the first and second open ends. The brush includes a surface with a spring retention plunge. The spring retention plunge defines an arcuate face angled relative to the axis. A biasing member exerts a force directly on the arcuate face to bias the brush into contract with a commutator. An electrical connection is made between the commutator and a power supply.
    • 电刷组件具有带有用于将基座固定到电动机端盖组件的构件的基座。 刷子壳体与底座相关联。 电刷外壳包括第一和第二开口端。 限定轴线的刷子可滑动地支撑在壳体内。 刷从第一和第二开口端中的一个延伸。 刷子包括具有弹簧保持插入的表面。 弹簧保持插入限定了相对于轴线成角度的弧形面。 偏置构件直接在弓形面上施加力,以将刷子偏置成与换向器收缩。 在换向器和电源之间进行电气连接。
    • 18. 发明授权
    • Pipe pulling device
    • 管拉拔装置
    • US5597192A
    • 1997-01-28
    • US171452
    • 1993-12-22
    • David J. Smith
    • David J. Smith
    • F16L55/18B66C1/56
    • E21B7/20F16L55/18
    • A pipe pulling device having a multiple section body portion with a substantially hollow interior, a cap engagable with a pulling device and having a threaded member extending into the body portion hollow interior, and a securing plug having a threaded conically shaped front portion suitable to cooperatively receive and secure the cap threaded member so that as the member continues to be threadably received, the plug front portion is urged into the body portion hollow interior and the body portion sections are separated and expanded to grippingly engage the pipe interior and enable the pipe to be pulled by the pulling device connected to the cap.
    • 一种拉管装置,具有具有基本上中空的内部的多部分主体部分,可与牵引装置接合并且具有延伸到主体部分中空内部的螺纹部件的盖子,以及具有螺纹锥形前部部分的紧固插头, 接收和固定盖螺纹构件,使得当构件继续被螺纹接收时,插头前部被推入主体部分中空内部,并且主体部分被分离和扩展以与管内部夹紧地接合,并且使得管 被连接到盖子的牵引装置拉动。