| 摘要 |
A synchronous chain for a liner guideway moved in the guideway by cooperating with rolling elements, which is characterized in that: both ends of the chain are connected to a head portion and a tail portion respectively, furthermore, the head portion and the tail portion are interconnected in a staggered manner, a moving space is predetermined in the radial part of head portion and the tail portion, in addition, a shape formed by the interconnection of the head portion and the tail portion is a sphere. In such way, the synchronous chain not only can avoid the interference during circulation, also the sphere formed by the interconnection of the head portion and the tail portion has the guiding effect, and can absorb the size variation by cooperating with the radial degree of freedom, furthermore, it is convenient for mass production and assembly.
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