| 摘要 |
PROBLEM TO BE SOLVED: To feed a cascade of parts while sharply shortening the time required for recirculating the parts. SOLUTION: A nearly cylindrical feeder 1 has a feeder housing 2. The feeder has a plurality of spiral grooves 8 separated from each other and extended from a front end section to a rear end section of its inner face. The bottom face of the cone of an end cap 20 is set to a size to be coupled with the rear end section of the nearly cylindrical feeder housing. The end cap faces a cavity section and has a plurality of grooves 23 on the inner face. The grooves are extended to the bottom face of the cone from the tip section of the cone and arranged to be coupled with the corresponding spiral grooves of the feeder housing. A drive device 31 rotates the feeder, moves parts along a plurality of spiral grooves, and sends them to a delivery zone 33 at the tip section of the cone.
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