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    Foldable tubular element with one rigid degree of freedom
    1.
    发明申请
    Foldable tubular element with one rigid degree of freedom 审中-公开
    具有一个刚性自由度的可折叠管状元件

    公开(公告)号：US20160130796A1

    公开(公告)日：2016-05-12

    申请号：US14534176

    申请日：2014-11-06

    申请人： Tianjin University

    发明人： Yan CHEN ,  Sicong LIU ,  Jianmin LI ,  Kunfeng WANG ,  Weilin LV ,  Kaori SHIGETOMI

    IPC分类号： E04B1/343 ,  A61F2/844 ,  E04H15/32 ,  E04C2/40 ,  E04C2/42

    CPC分类号： E04H15/32 ,  A01G9/00 ,  A61F2/844 ,  A63H33/16 ,  B64G9/00 ,  E04B1/32 ,  E04B1/343 ,  E04B1/34357 ,  E04B1/34378 ,  E04B7/10 ,  E04B7/107 ,  E04B2001/3247 ,  E04B2001/327 ,  E04B2001/3294 ,  E04C2/30 ,  E04C2/40 ,  E04C2/42 ,  E04C2/427 ,  E04H15/52 ,  Y10S52/10 ,  Y10T428/24686

    摘要： A foldable tubular construct/element with one rigid degree of freedom is of a tubular construction formed by a number of single layered annular units which are connected in sequence; each single layered annular unit is of a prism having N ridge lines; two adjacent prisms each having N sides are connected to each other by sharing a polygon with N sides formed on an intersection plane; each prism with N ridge lines is composed of N rigid planar quadrilateral facets; two adjacent single layered annular units comprise N spherical mechanisms formed by the intersections of only four planar quadrilateral facets at each apex; the polygon having N sides formed in the intersection plane of the two adjacent single layered annular units is a planar polygon with an arbitrary number of sides greater than for a triangle; the ridge lines of each prism having N ridge lines are parallel to each other; the connecting ridge lines of the tubular element are coplanar; when the polygon having N sides formed in the intersection plane of the two adjacent single layered annular units is a line-symmetric polygon of even number of sides with at least one diagonal symmetric axis, the plane in which connecting ridge lines of the tubular element are located is perpendicular to one diagonally symmetric axis.

    摘要翻译： 具有一个刚性自由度的可折叠管状构件/元件是由顺序连接的多个单层环形单元形成的管状结构; 每个单层环形单元是具有N条脊线的棱镜; 每个具有N个侧面的两个相邻的棱镜通过共享在交叉面上形成有N侧的多边形而彼此连接; 每个具有N脊线的棱镜由N个刚性平面四边形面组成; 两个相邻的单层环形单元包括由在每个顶点处仅四个平面四边形面的交点形成的N个球形机构; 在两个相邻的单层环状单元的交叉平面中形成有N侧的多边形是具有大于三角形的任意数量的边的平面多边形; 具有N条脊线的每个棱镜的脊线彼此平行; 管状元件的连接脊线是共面的; 当在两个相邻的单层环形单元的交叉平面中形成有N侧的多边形是具有至少一个对角对称轴的偶数边的线对称多边形时，管状元件的连接脊线的平面为 位于垂直于一个对角线对称轴。