| 摘要 |
PROBLEM TO BE SOLVED: To prevent the occurrence of clogging of a fastener as much as possible and simplify repairing work in occurrence of clogging. SOLUTION: The fastener driving machine 1 is provided with a pair of L- shaped parts 24 which support both sides of a front edge part of the first flange 23C with a cylindrical part 23A of a fastener 23 directed horizontally, and between which the cylindrical part 23A is retained in a forwardly projected condition. The pair of L-shaped parts 24 and a rear supporting wall 14G form a fastener supply passage 21 holding a plurality of fasteners 23 vertically arranged. The fastener supply passage 21 is provided with a feeding claw 14 for feeding out fasteners 23 from below to above one by one, and a pair of chucks 22 retaining at least either of the first flange 23C and the second flange 23D of the fastener 23 fed out to the upward direction of the fastener supply passage 21. A piston 17 is disposed as pressing means for expanding the cylindrical part 23A toward the rear of the second flange 23D of the fastener 23 retained by the chuck 22 by making the second flange 23D approaching the side in the cylindrical part 23A.
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