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    • 8. 发明申请
    • Hydrotapping power unit
    • 水力发电机组
    • US20050199029A1
    • 2005-09-15
    • US10799068
    • 2004-03-12
    • Mircea GhiranSpyros MellasDavid JensenPaul Larsen
    • Mircea GhiranSpyros MellasDavid JensenPaul Larsen
    • B21D28/18
    • B21D26/033B21D28/28
    • A hydrotapping power unit is disclosed that is operable to hold a hydrotapping tool in a home position adjacent a part while the latter is being hydroformed in a die cavity, to then advance the tool to pierce a hole in the hydroformed part while the part remains in the die cavity and under pressure and then continue to advance the tool to inwardly extrude the part about the hole, to then further advance while also rotating the tool at a feed rate equal to the thread pitch of the tool to thereby form a thread in the pierced hole, and finally retract while also rotating the tool but in the reverse direction and at the same feed rate to release the tool from the threaded hole. The power unit for performing these operations includes a linearly moveable shaft for holding the tool, a powered device for rotating the shaft, another powered device connected to the shaft by a lead screw connection having a thread pitch equal to that of the tool, and a third powered device that is adapted to intercept and prevent shock loading on the tool from the piercing operation and thereby on the shaft from reaching the lead screw connection.
    • 公开了一种可以将疏水工具保持在与零件相邻的原始位置,同时在模腔中被液压成形的水力攻击动力单元,然后使工具在液压成形部分中刺入孔,同时将零件保持在 模腔和压力下,然后继续推进工具以向内挤压零件围绕孔,然后进一步前进,同时还以等于工具的螺距的进给速率旋转工具,从而在工具中形成螺纹 穿孔,并且最后缩回,同时也旋转工具,但是在相反方向和相同的进给速度下将工具从螺纹孔释放。 用于执行这些操作的动力单元包括用于保持工具的直线运动轴,用于旋转轴的动力装置,通过螺纹间距等于工具的螺纹螺纹连接到轴的另一个动力装置,以及 第三动力装置,其适于拦截并防止来自穿刺操作的工具上的冲击载荷,从而在轴上达到丝杠连接。
    • 9. 发明授权
    • Apparatus for retrieving and containing an object
    • 用于检索和包含物体的装置
    • US09394658B1
    • 2016-07-19
    • US14885795
    • 2015-10-16
    • David Jensen
    • David Jensen
    • A01K29/00E01H1/12A01K1/01B25J1/04
    • E01H1/1206A01K1/01A01K29/00B25J1/04
    • An apparatus including a main housing and a cartridge enclosure including a first connector to removably couple the cartridge enclosure to a cartridge including a container having an opening across a plane, at least one drawstring disposed around the opening to close the opening upon the at least one drawstring being pulled, and a rigid support disposed around the plane of the opening to maintain the opening across the plane as the opening is being closed. The apparatus further includes an arm including a second connector to removably couple the arm to the at least one drawstring. A first spring between the arm and the cartridge is disposed to allow the arm to move away from the cartridge a predetermined distance which pulls the at least one drawstring to close the opening.
    • 一种包括主壳体和盒壳体的装置,其包括第一连接器,用于可拆卸地将盒壳体耦合到盒,该盒包括具有穿过平面的开口的容器,设置在开口周围的至少一个束带,以在至少一个 束带被拉动,以及刚性支撑件,围绕开口的平面设置,以在开口被关闭时将开口保持在平面上。 该装置还包括臂,该臂包括第二连接器,用于可拆卸地将臂连接到至少一个束带。 布置在臂和盒之间的第一弹簧,以允许臂从盒中移动预定距离,拉伸至少一个束带以关闭开口。
    • 10. 发明授权
    • Wall assembly method
    • 墙组装方法
    • US09091055B2
    • 2015-07-28
    • US13689474
    • 2012-11-29
    • David Jensen
    • David Jensen
    • E04B2/40E04B2/44E04B2/54E04B2/86E04B2/02
    • E04B2/40E04B2/44E04B2/54E04B2/8652E04B2002/0206
    • A method of assembling a two-sided wall on, through and around a preinstalled structural grid, the method including the assembly of planar wall units, each having an outer side and an inner side, the inner side opposing an inner side of at least one other planar wall unit on an opposite side of the structural grid. Interlocking features extend through a space in the structural grid and span from at least an inner side of one planar wall unit to the inner side of another planar wall unit on a same course level so as to support and gauge opposing planar wall units with respect to the structural grid. When installed in courses around the structural grid, the wall units and the interlocking elements create a continuous void between planar wall units to enable structural fill material to be poured therein filling the continuous void from the top of the wall to its base.
    • 一种在预先安装的结构网格上,通过并围绕预先安装的结构网格组装双面壁的方法,所述方法包括组装平面壁单元,每个具有外侧和内侧,内侧与至少一个的内侧相对 在结构网格的相对侧上的其他平面壁单元。 联锁特征延伸穿过结构网格中的一个空间,并且跨越从一个平面壁单元的至少一个内侧到另一个平面壁单元的内侧,在同一层面上相对于相对的平面壁单元相对于 结构网格。 当安装在结构格栅周围的过程中时,壁单元和互锁元件在平面壁单元之间产生连续的空隙,以使结构填充材料能够在其中注入,从而将连续的空隙从壁的顶部延伸到其底部。