| 摘要 |
PROBLEM TO BE SOLVED: To arrange on a bowl a sorting mechanism that includes space-saving sorting sections and thus occupies only a limited overall space, and reject only target parts positively via an easily manufacturable mechanism for blowing rejection of parts replacing small holes. SOLUTION: Parts that optical sensors 86 in right/wrong position sorting sections 81A and 81B find to be obverted on a sorting track 54 are rejected or blown down. Air nozzles 93 are arranged in nozzle clearances defined between an upstream sidewall block 511 and a downstream sidewall block. On that side of each nozzle clearance which opens to the sorting track 54, the downstream end of the upstream sidewall block 511 and the upstream end of the downstream sidewall block are proximate to each other to form, together with the sidewalls, a slit of a width of 0.1 mm.
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