| 摘要 |
<p>The present invention includes a first supply wheel (11) adjacent to a receiving wheel (13), and a second supply wheel (12) provided on the upstream side in the rotating direction of the receiving wheel (13) from the first supply wheel (11). Switching means (17) for switching a gripper A of the first supply wheel (11) between a use state so as to transfer a plastic bottle (1) to a gripper C of the receiving wheel (13) and a retracted state so as not to interfere with the plastic bottle held by the gripper (A) of the receiving wheel (13) is also provided. When a first carrier path is used, the switching means (17) brings the gripper (A) of the first supply wheel (11) into the use state, and when a second carrier path is used, the switching means (17) brings the gripper (A) of the first supply wheel (11) into the retracted state, to thereby prevent the gripper (A) of the first supply wheel (11) from interfering with the article held by the gripper (A) of the receiving wheel (13) from the second supply wheel (12). The carrier paths can be thereby quickly switched.
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