Patent ID: 7757921
Filing Date: 2010-07-20
Classification: B25C

Abstract:
1. A driving machine comprising: a driver blade for striking a fastener having two drive needle sections arranged in parallel and a connection section connecting the two drive needle sections and formed into a nearly U-shape; a nose section in which a launching passage is formed, the fastener being fed to and launched from the launching passage; and a magazine, mounted in the nose section and loaded with a bundle of multiple fasteners, for feeding the fastener located at the end section of the bundle of the fasteners into the launching passage, wherein the magazine has a feeder for urging the multiple fasteners toward the launching passage so that the fastener at the leading end in the urging direction is disposed inside the launching passage, and the feeder has a first convex section making contact with and urging one of the drive needle sections of the fastener located at the trailing end in the urging direction and a second convex section making contact with and urging the other drive needle section of the fastener; the nose section has a blade guide for slidably guiding the driver blade; and the blade guide has a first concave section for accommodating the first convex section and a second concave section for accommodating the second convex section, the first concave section and the second concave section being disposed alternately in the sliding direction of the driver blade.