| 摘要 |
A moveable linkage for a parallel mechanism includes a swing arm, a four-link structure rotatably connected to the swing arm, and a plurality of pivotal shafts. The four-link structure includes a first connection shaft, a second connection shaft, a first link bracket and a second link bracket. Each of the first and second link brackets includes a first end portion and a second end portion. The first end portions of the first and second link brackets overlap and rotatably connect two ends of the first connection shaft by the pivotal shafts. The second end portions of the first and second link brackets overlap and rotatably connect two ends of the second connection shaft by the pivotal shafts.
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