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    • 12. 发明授权
    • Cutter mounting extension apparatus
    • 切割机安装扩展装置
    • US4071098A
    • 1978-01-31
    • US736521
    • 1976-10-28
    • Charles R. DivelyR. Kenneth Peterson
    • Charles R. DivelyR. Kenneth Peterson
    • E21B7/28E21B10/20E21B9/26E21C13/12E21C23/00
    • E21B10/20E21B7/28
    • The apparatus comprises means for replaceable coupling thereof to a standard raise boring head for extending the effective cutting radius of the head. The apparatus comprises a raise boring head radius extension element which is pinned to struts extending from a circular hub; the hub, in turn, envelops a terminal end of the stem of the raise boring head. Additionally, pin-holed clevises borne by the extension elements mate with like pin-holed lugs which extend, radially, from the principal cutter bracket mounting platform of the standard raise boring head. Expansion pins are engaged with the lugs and clevises, and also secure the struts both to the hub and to the extension element, to simplify assembly and disassembly. In typical use, a plurality of radius extension elements are coupled to the standard raise boring head, the elements being arrayed circumferentially thereabout. Accordingly, tie rods are employed, to link each extension element to like extension elements adjacent thereto, principally to secure each element against displacement relative to the hub.
    • 该装置包括用于可替换地连接到标准升高钻头的装置,用于延长头部的有效切割半径。 该装置包括一个提升镗头半径延伸元件,其被固定到从圆形轮毂延伸的支柱上; 轮毂又包围了起重钻头的杆的终端。 此外,由延伸元件承载的销钉夹具与类似的销钉孔一起径向延伸,从标准升高钻头的主刀架支架安装平台延伸。 膨胀销与凸耳和U形夹接合,并且将支柱固定到轮毂和延伸元件上,以简化组装和拆卸。 在典型的使用中,多个半径延伸元件被联接到标准升高钻头,元件围绕其周向排列。 因此,采用拉杆,以将每个延伸元件连接到与其相邻的类似的延伸元件,主要是固定每个元件抵抗相对于毂的位移。
    • 19. 发明申请
    • Twin-Arm Vehicle Mirror System with Support Bracket Bearings
    • 双臂车载镜系统,支撑支架轴承
    • US20080024891A1
    • 2008-01-31
    • US11842524
    • 2007-08-21
    • James RuseKeith FooteKenneth Peterson
    • James RuseKeith FooteKenneth Peterson
    • B60R1/076
    • B60R1/078B60R1/0605B60R1/076
    • A vehicular external rearview mirror system comprises a twin-arm assembly comprising a pair of parallel support arms connected at one end to a base attached to the vehicle and movably connected at another end to a reflective element assembly through a movable support bracket. The support bracket supports a reflective element assembly and is attached to the twin-arm assembly through a pair of integral bearings which translate along the arms to extend or retract the reflective element assembly. In one embodiment, the bearing imparts a friction force to the arm to enable the bracket to be moved along the arm under the influence of an extension/retraction force, but to maintain the bracket at a selected position along the arm when the force is removed. In another embodiment, the bearing is adapted for frictionless translation of the bracket along the arms under the influence of a powerextend actuator. In yet another embodiment, the bearing is integrated into the movable support bracket for frictional support of the bracket on the arms.
    • 车辆外部后视镜系统包括双臂组件,其包括一对平行的支撑臂,其一端连接到附接到车辆的基座,并且在另一端可移动地通过可移动支撑支架可移动地连接到反射元件组件。 支撑支架支撑反射元件组件,并且通过一对整体式轴承将其连接到双臂组件,所述一对轴承沿着臂平移以延伸或缩回反射元件组件。 在一个实施例中,轴承向臂施加摩擦力,以使托架能够在伸出/缩回力的影响下沿着臂移动,但是当力被移除时,将支架保持在沿着臂的选定位置 。 在另一个实施例中,所述轴承适于在所述支架致动器的影响下沿所述臂的所述支架的无摩擦平移。 在另一个实施例中,轴承被集成到可移动支撑支架中,用于支撑臂在臂上的摩擦支撑。