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    • 3. 发明授权
    • Target holder
    • 目标持有人
    • US07254895B1
    • 2007-08-14
    • US11162964
    • 2005-09-29
    • James O'Donnell
    • James O'Donnell
    • G01C15/06B25B5/04
    • B25B5/06B25B5/04B25B5/16B25B5/163G01C15/06
    • A device for holding a target adjacent first and second intersecting surfaces of a structure to assist in measuring a distance from an instrument to the target. The device has first and second levers that are joined by a pin that has a section that extends above the levers to receive the target. A force is applied to the first and second levers to bring non-skid pads thereon into engagement with the intersecting surfaces. The target is thereafter rotated into parallel alignment with the second surface and the instrument is aligned with the first surface. A signal transmitted from the instrument is reflected from the target to provide a direct measurement of the distance from the instrument to the target.
    • 一种用于将目标物保持在与结构的第一和第二相交表面相邻以辅助测量从仪器到目标的距离的装置。 该装置具有通过销连接的第一和第二杠杆,所述销具有在杠杆上方延伸以接收目标的部分。 力施加到第一和第二杠杆以使其上的非滑动垫与交叉表面接合。 此后,目标旋转成与第二表面平行对准,并且仪器与第一表面对准。 从仪器发送的信号从目标物体反射,以便直接测量从仪器到目标的距离。
    • 4. 发明申请
    • Apparatus for sharpening a circular blade
    • 用于磨削圆形刀片的​​装置
    • US20050048881A1
    • 2005-03-03
    • US10653474
    • 2003-09-02
    • David WolffJames O'DonnellRichard Hunter
    • David WolffJames O'DonnellRichard Hunter
    • B24B3/46B24B5/00B24B29/00
    • B24B3/46
    • The present invention relates to an apparatus for sharpening a circular blade. The sharpening apparatus is adapted to be positioned adjacent a power-driven sharpening wheel at an angle. The sharpening apparatus includes an angularly adjustable tool holder for angularly positioning the circular blade against the power-driven sharpening wheel. The sharpening apparatus of the present invention also includes a blade holder that quickly and easily locks the circular blade into place for sharpening and releases the blade after sharpening is complete. The present invention provides a reasonably safe and efficient sharpening apparatus for circular blades that provides uniform, high quality sharpening of one-sided and two-sided blades of varying circumferences.
    • 本发明涉及一种用于磨削圆形刀片的​​设备。 锐化装置适于以一定的角度位于动力驱动的磨刀轮附近。 锐化装置包括角度可调节的刀架,用于将圆形刀片角度地定位在动力驱动的磨刀轮上。 本发明的磨边装置还包括刀片保持器,其能够快速且容易地将圆形刀片锁定到位,用于磨削并且在磨削完成之后释放刀片。 本发明提供了一种用于圆形刀片的​​相当安全和有效的锐化装置,其提供具有不同周长的单面和双面刀片的均匀,高质量的磨削。
    • 5. 发明授权
    • Actuator
    • 执行器
    • US06949712B1
    • 2005-09-27
    • US10110630
    • 2000-10-12
    • James O'Donnell
    • James O'Donnell
    • H01H11/00H01H27/00
    • H01H27/002H01H11/0018H01H2011/0025H01H2027/005
    • There is disclosed an improved actuator 215, and an operating key 100 for use in the actuator 215. Known actuators suffer from a number of problems such as limited functionality and limited radius of operation. Accordingly, the present invention provides an operating key 100 for use in an actuator 215, the operating key 100 comprising a key body 105 and a key element 110 and means to adjust an angle of inclination of the key element 110 relative to the key body 105, the adjustment means having first and second resilient biasing means 115, 120. The invention further provides an operating key 100 comprising means to at least partially rotate at least part 160 of the key element 110 around an axis extending from the key body 105. The operating key 100 is thus a “universal” key, which may be used in horizontal or vertical hinged doors, though is not limited to such use.
    • 公开了改进的致动器215和用于致动器215的操作键100。 已知的致动器具有许多问题,例如功能受限和操作半径有限。 因此,本发明提供了一种在致动器215中使用的操作键100,操作键100包括键体105和键元件110以及用于调节键元件110相对于键体105的倾斜角度的装置 调节装置具有第一和第二弹性偏置装置115,120。 本发明还提供一种操作键100,其包括用于至少部分地将键元件110的至少一部分160绕从从键体105延伸的轴旋转的装置。 因此,操作键100是可以在水平或垂直铰链门中使用的“通用”键,但不限于此。