| 摘要 |
PURPOSE:To provide an effective support on a curved section of a small radius of curvature by connecting a suspended stringing with a trolley stringing stretched along a curve of a track such that they are pulled each other by an arched hunger positioned substantially horizontally. CONSTITUTION:A suspended stringing 1 and a trolley stringing 2 stretched along a curve of a track R are disposed approximately on a horizontal surface and both stringings 1, 2 are supported such that they are pulled each other by an arched hunger 3. However, the side edge of the suspended stringing l is positioned a little higher than the side edge of the trolley stringing 2 so that a tensile strength applied to the hunger 3 has a suitable vertical component on the side of the trolley stringing 2. The position of the trolley stringing 2 is restricted by a curve drawing fitting 4 and the drawing fitting 4 is interposed between the trolley stringing 2 and a beam (fixing member). With the arrangement, strings can be effectively maintained in a curved section of a small radius of curvature with a smaller number of trolley support points.
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