| 摘要 |
An elastic body is provided to smoothly and stably perform a transverse elastic movement by allowing external force to be alternately applied to two directions of the elastic body such that the external force is uniformly distributed to a spring. An elastic body comprises a first support tube(11), a second support tube(14), a spring installed in the first and second support tubes, a first insertion rod(12) and a second insertion rod(15). The first support tube and the second support tube have a hollow cylindrical shape, and include a first end having an open structure and a second end having a closed structure. The first insertion rod and the second insertion rod are inserted into the first end of the first support tube and the second support tube, respectively, to be supported by the spring. The first support tube and the second support tube are alternately disposed side by side in different directions from each other. The first support tube is welded to the second support tube.
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