| 摘要 |
PURPOSE: A skid apparatus is provided to prevent a base plate from being deformed and improve the accuracy of the modularization of components. CONSTITUTION: A skid apparatus comprises a lower sprocket(15), an attach(17), an attach gear(18), a post gear(21), an upper sprocket(23), and a chain(24). The lower sprocket is integrated with the edge of a block shaft(13) passing through one end of a post(14). One end of the attach passes through a post shaft(16) formed at the other end of the post and is coupled to rotate on the post. The attach gear through which the post shaft passes is integrated with one side of the attach. The post gear engages with the attach gear and is coupled with one side of the post. The upper sprocket is integrated with one side of the post gear and rotates with the post gear.
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