| 摘要 |
<p>A returning system is disclosed. The returning system according to an embodiment of the present invention includes a plurality of driving rails and a branch and a joining rail to mutually connect the driving rails. The returning system includes a rail system having a straight branch guide for guiding straight driving in a branch area where the driving rail is connected to the branch and the joining rail and a curve branch guide for guiding branch driving; a carrier unit installed to be driven on the driving rail of the rail system and returns an object from a starting point to a target point; a plurality of branch rollers installed to the carrier unit to be lifted or fallen for selectively performing one among the straight driving and the branch driving; and a branch roller unit to guide the branch driving by contact-supporting the branch roller arranged to the center among a plurality of branch rollers when the carrier unit enters the branch area.</p> |
