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    • 6. 发明申请
    • Handhole reinforcing frame for round utility poles
    • 用于圆形电杆的手孔加强框架
    • US20060185874A1
    • 2006-08-24
    • US11208538
    • 2005-08-23
    • Joseph BowmanRay Minor
    • Joseph BowmanRay Minor
    • H02G7/20
    • E04H12/003H02G3/14
    • A frame for reinforcing a handhole of a round metallic utility pole, includes a generally elliptical body defining a major axis and a minor axis and forming a generally elliptical outer periphery, and a generally elliptical inner periphery bordering an opening extending through front and back sides of the body, the opening defining a center axis of the frame. A flange is formed integrally with the body and projects forwardly therefrom at a location spaced inwardly from the outer periphery, wherein the flange is separated from the outer periphery by a forwardly facing shoulder surface of the body. The flange includes an outer flank facing outwardly and intersecting the shoulder surface, wherein the flange outer flank forms an oblique angle with the center axis as seen in a sectional view taken along the major axis, and lies substantially parallel to the center axis as seen in a sectional view taken along the minor axis.
    • 用于加强圆形金属电线杆的手孔的框架包括限定长轴和短轴的大致椭圆体,并且形成大致椭圆形的外周边,以及大致椭圆形的内周边缘,该内周边延伸穿过前后两侧的开口 主体,开口限定框架的中心轴线。 凸缘与本体一体地形成并且从与外周向内隔开的位置向前突出,其中凸缘通过主体的向前的肩部表面与外周分离。 凸缘包括面向外并与肩部表面相交的外侧面,其中,如沿着长轴截取的截面图所示,凸缘外侧面与中心轴线形成倾斜角,并且基本上平行于中心轴线,如 沿着短轴截取的截面图。