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    • 37. 发明申请
    • MULTI-PIECE FASTENER FOR LIMITED CLEARANCE APPLICATIONS
    • 用于有限公司应用的多层紧固件
    • US20070051851A1
    • 2007-03-08
    • US11162260
    • 2005-09-02
    • Antonio RuffinJohn Porter
    • Antonio RuffinJohn Porter
    • B64C1/06
    • B64C1/06B64C1/26F16B5/0275
    • In accordance with the present invention an aerospace wing side-of-body joint assembly is provided comprising at least one chord element, having an internal reduced clearance region, and at least one skin element. At least one cylindrical bolt assembly passes through the chord element and the skin element and secures them together. The cylindrical bolt assembly is comprised of a cylindrical stud having a threaded tail section and a threaded head section protruding into the internal reduced clearance region. A threaded head fastener inserted into the internal reduced clearance region engages the threaded head section. A nut element engages the threaded tail section and is used to introduce a torque without rotating the cylindrical stud.
    • 根据本发明,提供了一种航空航天机翼侧体接头组件,其包括至少一个弦元件,具有内部减小的间隙区域和至少一个皮肤元件。 至少一个圆柱形螺栓组件穿过弦元件和皮肤元件并将它们固定在一起。 圆柱形螺栓组件包括具有螺纹尾部的圆柱形螺柱和突出到内部减小的间隙区域中的螺纹头部。 插入内部减小间隙区域的螺纹头部紧固件与螺纹头部接合。 螺母元件接合螺纹尾部,并用于引导扭矩而不旋转圆柱形螺柱。
    • 40. 发明授权
    • Jack for power implement
    • 杰克为电力工具
    • US06786031B2
    • 2004-09-07
    • US10264688
    • 2002-10-04
    • Kari Ann KalistaDaniel J. GindtBrian K. GloudemansJohn PorterRobert BussePaul A. Schroeder
    • Kari Ann KalistaDaniel J. GindtBrian K. GloudemansJohn PorterRobert BussePaul A. Schroeder
    • A01D6700
    • A01D34/662A01D2034/645A01D2101/00
    • A lawnmower comprising a chassis and a mower deck movable with respect to the chassis. A cylinder assembly is mounted to the chassis, and includes an actuating cylinder, and a piston shaft selectively extendable and retractable with respect to the cylinder under the influence of fluid pressure within the cylinder. A deck lift assembly is interconnected to the chassis and the mower deck for adjusting the height of the mower deck with respect to the chassis. The deck lift assembly includes a pivot member pivotally connected to the chassis. A jack is removably coupled to the pivot member, such that the chassis is raised and lowered in response to movement of the piston shaft with respect to the cylinder. The jack utilizes the existing hydraulic system and cylinder assembly of the lawnmower to raise the lawnmower with respect to the ground.
    • 一种割草机,其包括相对于底盘可移动的底盘和割草机。 气缸组件安装到底盘,并且包括致动气缸,以及在气缸内的流体压力的影响下选择性地相对于气缸可伸缩的活塞轴。 甲板升降机组件连接到底盘和割草机甲板上,用于调节割草机甲板相对于底盘的高度。 甲板提升组件包括枢转地连接到底盘的枢转构件。 千斤顶可拆卸地联接到枢转构件,使得底盘响应于活塞轴相对于气缸的移动而升高和降低。 千斤顶利用割草机的现有液压系统和气缸组件来提升割草机相对地面。