| 摘要 |
A line rail trolley for improving storage and minimizing the volume of the line rail trolley is provided to minimize the volume of the line rail trolley and the element of the part comprising trolley and improve the structure by minimizing weight. A supporting frame(10) supports a wheel(12) settled on a line rail(R). The upper plate(20) of the flat type is settled on the top of the supporting frame. The supporting frame is a pair of the wheel axis frames on the both end parts. A link frame(13) forms a first hinge(15) and a second hinge capable of being refracted in each connection part of the wheel axis frame and a center. The wheel axle frame or the link frame hs 'H' shaped feature.
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