| 摘要 |
Apparatus for inserting helical springs into annular safety catches including a revolving table, four pliers units positioned on the periphery of the table, a first station for feeding catches, a second station where a helical spring is inserted in a catch, a third station where the ends of the catch are brought into coplanar position, and a fourth station with a sensing head where the end product is checked with provision to separate out faulty products.
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