| 摘要 |
PROBLEM TO BE SOLVED: To integrally interlock plural shoes without providing special shoe changing means. SOLUTION: When the front shoe 21 is moved in the direction of push-out of commodities, the following plural shoes engage each other at their locking step portions 31 formed on the opposed surfaces and they are integrally interlocked sideways for transferring the commodities 8 on a slat 18 after pushed out onto a tray 5 such as a rotary rack 2.
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