Linear latch
    1.
    发明授权
    Linear latch 失效
    线性闩锁

    公开(公告)号:US5322384A

    公开(公告)日:1994-06-21

    申请号:US952686

    申请日:1992-09-28

    申请人: Thomas Szirtes

    发明人: Thomas Szirtes

    摘要: Apparatus to axially hold a featureless shaft has an abutment for abutting the side of the shaft and a cam to wedge the shaft against the abutment. The cam has a convexly radiused face which is generally opposed to the abutment. The generating radius for the face is offset from the pivot axis of the cam in the direction in which a shaft is inserted into the apparatus. Consequently, once the cam wedges the shaft against the abutment any withdrawal force on the shaft will tighten the wedging effect since the eccentric radiused face will attempt to move closer to the abutment.

    摘要翻译: 用于轴向保持无特征轴的装置具有用于邻接轴的侧面的邻接件和凸轮,以将轴楔紧在抵靠件上。 凸轮具有通常与基台相对的凸出的面。 面的产生半径在轴插入设备的方向上偏离凸轮的枢转轴线。 因此,一旦凸轮将轴楔入抵靠轴承,则轴上的任何抽出力将收紧楔入效应,因为偏心圆角面将试图移动到靠近基台。

    Panel array deployment apparatus
    2.
    发明授权
    Panel array deployment apparatus 失效
    面板阵列展开装置

    公开(公告)号:US5319905A

    公开(公告)日:1994-06-14

    申请号:US951872

    申请日:1992-09-28

    申请人: Thomas Szirtes

    发明人: Thomas Szirtes

    IPC分类号: B64G1/22 B64G1/44 E04H12/18

    CPC分类号: B64G1/443 B64G1/222

    摘要: Apparatus for deploying an articulated panel array comprises a spring motor between adjacent panels and a latch between adjacent panels. The latch between a given pair of panels is released by an abutment on the panel which is adjacent to the pair and toward the proximal end of the array only when the more proximally disposed panel of the pair moves to its fully deployed position. With this arrangement, only a single group of panels of the array moves at any given time providing an accurate deployment envelope.

    摘要翻译: 用于展开铰接面板阵列的装置包括相邻面板之间的弹簧马达和相邻面板之间的闩锁。 给定的一对面板之间的闩锁由面板上的邻接件释放,该邻接件邻近该对并且仅当该对的较近端布置的面板移动到其完全展开位置时朝向阵列的近端。 通过这种布置,阵列中只有一组阵列在任何给定的时间移动,提供准确的部署包络。

    Contour radiography: a system for determining 3-dimensional contours of
an object from its 2-dimensional images
    3.
    发明授权
    Contour radiography: a system for determining 3-dimensional contours of an object from its 2-dimensional images 失效
    轮廓射线照相术:用于从其二维图像中确定物体的三维轮廓的系统

    公开(公告)号:US4630203A

    公开(公告)日:1986-12-16

    申请号:US565932

    申请日:1983-12-27

    申请人: Thomas Szirtes

    发明人: Thomas Szirtes

    CPC分类号: G01B15/04 A61B6/00 G06T9/20

    摘要: A method and apparatus for reconstructing the three-dimensional coordinates of an identifiable contour on an object without relying on markers or pre-existing knowledge of the geometry of the object is described. The technique is defined as Contour Radiography. In the preferred embodiment two X-ray sources irradiate an object possessing a radiographically identifiable contour and then the two images of the contour are projected onto an X-ray film at spaced locations on the film plane. These images are digitized by the tracing of the image curves with a cursor or some other means thereby establishing the coordinates of an arbitrary number of image points. The digital data thus obtained is processed in accordance with a Contour Radiography (CONRAD) algorithm to identify corresponding points on the two curves which originate from the same point on the physical contour. The spatial coordinates of the X-ray sources are determined using a special calibration system. Then the coordinates of each corresponding point pair are processed with the spatial coordinates of the X-ray source to determine the three-dimensional coordinates of their originating space-point on the contour. In this way the three-dimensional coordinates of the contour are determined. The three-dimensional coordinates are then processed in a commercially available graphics system to visually display the reconstructed contour. The technique has particular application in medicine for determining the undistorted shape, position, size and orientation of selected internal organs, such as bone, which have a radiographically identifiable contour.

    摘要翻译: 描述了用于在不依赖于对象的几何的标记或预先存在的知识的情况下重建物体上的可识别轮廓的三维坐标的方法和装置。 该技术定义为轮廓射线照相术。 在优选实施例中,两个X射线源照射具有放射线识别轮廓的物体,然后轮廓的两个图像在膜平面上的间隔位置处投影到X射线胶片上。 这些图像通过用光标或某些其他方式的图像曲线的跟踪被数字化,从而建立任意数量的图像点的坐标。 这样获得的数字数据根据轮廓射线照相(CONRAD)算法进行处理,以识别起源于物理轮廓上相同点的两条曲线上的对应点。 使用特殊的校准系统确定X射线源的空间坐标。 然后用X射线源的空间坐标对每个对应点对的坐标进行处理,以确定轮廓上其起始空间点的三维坐标。 以这种方式确定轮廓的三维坐标。 然后在市售的图形系统中处理三维坐标以可视地显示重建的轮廓。 该技术在医学中具有特别的应用,用于确定所选择的内部器官(例如骨骼)的未失真的形状,位置,大小和取向,其具有放射学上可辨别的轮廓。

    Extended angular range flexural pivot
    4.
    发明授权
    Extended angular range flexural pivot 失效
    扩展角度范围的弯曲枢轴

    公开(公告)号:US5265853A

    公开(公告)日:1993-11-30

    申请号:US850319

    申请日:1992-03-12

    申请人: Thomas Szirtes

    发明人: Thomas Szirtes

    IPC分类号: B64G1/64 F16C11/12 F16F1/18

    摘要: A spring hinge between panels of a satellite panel array comprises a plurality of serially joined known flexural pivots of the type having two cylindrical members with tongues from each extending into the other joined by a flat spring. One panel has an abutment for limiting the rotation of the next panel with respect thereto such that the spring hinge remains partially stressed when the panels are deployed. In another embodiment, two pluralities of serially joined pivots act in parallel.

    摘要翻译: 卫星面板阵列的面板之间的弹簧铰链包括多个串联的已知的弯曲枢轴,其类型具有两个圆柱形构件,其中舌片各自延伸到另一个由平板弹簧连接的舌片。 一个面板具有用于限制下一个面板相对于其的旋转的邻接部,使得当面板展开时弹簧铰链保持部分应力。 在另一个实施例中,两个串联连接的枢轴并联起作用。